The Bosch 800 Series SHEM78ZH5N is a 24-inch built-in dishwasher designed around several features that were particularly important in Bosch’s premium dishwasher range: quiet operation, strong cleaning, advanced drying, flexible loading, stainless-steel construction, leak protection, and connected controls. It uses a recessed-handle design, a stainless-steel tall tub, a flexible third rack, RackMatic upper-rack adjustment, CrystalDry drying technology, PrecisionWash, Home Connect connectivity, and a 16-place-setting capacity.
However, there is an important distinction to make before evaluating this dishwasher. The SHEM78ZH5N is not one of Bosch’s newest 800 Series models. Bosch’s current U.S. product page identifies the model as no longer available, although Bosch continues to provide model-specific service documentation and the model remains listed in Canadian product/support information. That means shoppers should distinguish between buying an original/new-old-stock unit, purchasing a used machine, replacing an existing SHEM78ZH5N, or comparing its specifications with a newer Bosch dishwasher.
For that reason, this review focuses specifically on what the SHEM78ZH5N actually provides, rather than assuming that every feature found on a current 800 Series dishwasher is present on this model.
Bosch SHEM78ZH5N: Quick Overview
| Feature | Bosch SHEM78ZH5N |
|---|---|
| Series | Bosch 800 Series |
| Dishwasher type | Built-in |
| Width | 24 inches |
| Handle | Recessed handle |
| Finish | Stainless steel |
| Tub | Stainless steel tall tub |
| Place settings | 16 |
| Noise rating | 42 dBA |
| Drying system | CrystalDry |
| Third rack | Flexible 3rd Rack |
| Upper rack | RackMatic adjustable |
| Washing system | PrecisionWash / five-level wash |
| Leak protection | 24/7 AquaStop |
| Smart connectivity | Home Connect |
| Sanitize option | Yes |
| Water softener | No |
| Water consumption | 3.5 gallons per cycle |
| Annual energy consumption | 269 kWh/year |
| ENERGY STAR listing in model documentation | Yes in the historical model documentation |
| Electrical requirement | 120 V / 60 Hz / 12 A |
| Capacity | 16 place settings |
| Approximate net weight | 102 lb |
| Overall dimensions | 33 7/8 × 23 9/16 × 23 3/4 inches |
| Required cutout | Approximately 33 7/8 × 23 5/8 × 24 inches |
The published specifications are model-specific and should be checked against the rating plate and installation documentation for an individual machine, particularly when purchasing an older or used unit.
What Is the Bosch SHEM78ZH5N?
The SHEM78ZH5N was positioned as an 800 Series 24-inch stainless-steel dishwasher with a recessed handle. Its design combines a conventional built-in installation with a relatively sophisticated internal loading system and Bosch’s CrystalDry technology.
The dishwasher has a full-size stainless-steel tall tub and accommodates up to 16 place settings. This makes it appropriate for households that regularly wash large loads rather than people who mainly need a compact machine for a small number of dishes.
Its 42 dBA noise rating is another defining characteristic. Rather than focusing on maximum wash speed, the design emphasizes quiet operation, efficient use of the interior space, drying performance, and automation.
The model also includes Home Connect, allowing compatible functions to be accessed through the connected appliance ecosystem. That makes it different from a basic dishwasher that relies entirely on physical controls.
Design and Exterior
The SHEM78ZH5N uses a relatively understated stainless-steel exterior with a recessed handle. This design can work particularly well in kitchens where the dishwasher is positioned alongside other stainless-steel appliances.
A recessed handle also avoids the protruding appearance of a conventional bar handle. For users who prefer a cleaner front profile, this can be an advantage.
The dishwasher is approximately 23 9/16 inches wide, while its overall depth is approximately 23 3/4 inches. Its height is approximately 33 7/8 inches, with adjustable feet allowing the installation height to be fine-tuned.
Because this is a built-in dishwasher, accurate cabinet measurements are important. A nominal 24-inch dishwasher opening does not automatically guarantee that every older or replacement installation will fit correctly. The actual cutout, countertop height, flooring thickness, plumbing route, electrical connection, and door clearance should all be checked before installation.
Stainless-Steel Interior
The stainless-steel tall tub is one of the more important construction features of the SHEM78ZH5N.
A stainless-steel interior provides a durable surface around the washing chamber and works well with the dishwasher’s heating and drying system. The interior also contributes to the machine’s overall premium construction.
The tub is designed to accommodate the three-rack arrangement, allowing the dishwasher to use vertical space more effectively than a traditional two-rack design.
The stainless-steel interior does not mean that every item inside the dishwasher is automatically safe to wash. Plastics, cookware, knives, wooden items, crystal, insulated containers, and delicate materials should still be checked against their manufacturer’s dishwasher-safety instructions.
16 Place Settings: How Much Can It Hold?
The SHEM78ZH5N has a published capacity of 16 place settings, which is substantial for a standard 24-inch dishwasher.
The practical advantage of a high place-setting rating is not simply the number itself. The third rack and adjustable upper rack can make it easier to separate different types of items.
For example, smaller utensils and flat kitchen tools can occupy the uppermost rack, glasses and cups can use the middle rack, and plates, bowls, pots, and larger cookware can be arranged in the lower rack.
However, place-setting capacity should not be confused with unlimited cookware capacity. A dishwasher can have a high official capacity while still requiring careful loading when you have large frying pans, stockpots, casserole dishes, cutting boards, or unusually tall containers.
Flexible Third Rack
One of the most useful features of the SHEM78ZH5N is its Flexible 3rd Rack.
The third rack creates additional horizontal loading space above the conventional upper rack. Bosch’s model documentation describes fold-down sides and indicates that the third rack provides approximately 30 percent more loading area compared with a Bosch dishwasher using two racks.
This does not mean the dishwasher literally becomes 30 percent larger internally. Instead, the comparison refers to usable loading area created by the additional rack.
The third rack is particularly useful for utensils, cooking tools, ramekins, flat serving pieces, measuring cups, and other relatively shallow objects.
There is also a practical learning curve. A third rack can make a dishwasher more flexible, but it requires users to rethink how they distribute items. Very tall objects placed in the middle rack may interfere with the third rack if the upper rack is not adjusted correctly.
RackMatic Adjustable Upper Rack
The upper rack uses Bosch’s RackMatic adjustment system.
RackMatic allows the upper rack to be repositioned at different heights. This is valuable because dishwasher loads rarely contain identical dishes every day.
On one load, you may have tall wine glasses or cups that require additional vertical clearance in the middle rack. On another load, you may need additional space underneath for plates or cookware.
The ability to change the upper-rack position helps solve this problem without permanently sacrificing space in either rack.
This is one of those features that becomes more useful over time because it responds to changing loads rather than being a feature that is only useful in a particular washing cycle.
FlexSpace Tines and Bulky Items
The SHEM78ZH5N also incorporates adjustable loading features intended to accommodate different dish shapes.
The lower rack can be configured for larger items, while adjustable tines help users create more appropriate spaces for bowls, plates, cookware, and other irregularly shaped items.
This is particularly useful for families that do not wash identical place settings every day.
A dishwasher’s loading flexibility can have a major effect on real-world satisfaction. A machine that cleans well but forces users to hand-wash large amounts of cookware can be less practical than a machine that allows those items to be loaded correctly.
Cleaning Performance
The SHEM78ZH5N uses Bosch’s PrecisionWash cleaning system and a five-level washing arrangement.
The basic principle behind PrecisionWash is that the dishwasher uses multiple spray levels and sensors to adapt the wash process to the load rather than treating every load identically.
This matters because household dishwasher loads are rarely uniform. One load may contain lightly soiled glasses and plates, while another may contain dried food, cookware, bowls, and heavily soiled pans.
The dishwasher’s sensor-based approach is intended to help manage these differences automatically.
However, no dishwasher’s sensors eliminate the need for proper loading. Spray arms still need unobstructed movement, filters need to remain clean, and dishes should not be positioned so closely together that water cannot reach their surfaces.
AquaSensor and Water Management
The dishwasher uses an optical sensing system commonly referred to as an AquaSensor.
The sensor measures the cleanliness of the rinse water. When the water is sufficiently clean, the dishwasher can reuse it for a subsequent rinse rather than immediately replacing it with completely fresh water.
Bosch’s operating documentation states that this process can reduce water consumption by approximately 3 to 6 liters when the sensor is active and the water is sufficiently clean.
This does not mean every cycle will save exactly that amount. Sensor operation, soil level, cycle selection, incoming water conditions, and other factors influence actual consumption.
The important point is that the dishwasher is designed to make decisions based on the condition of the wash water rather than using exactly the same water pattern for every load.
Wash Programs
The SHEM78ZH5N was documented with six wash cycles and six options, although available controls and combinations can depend on the configuration and connected features.
The principal programs are intended to cover different household situations.
Heavy Cycle
The Heavy cycle is intended for more demanding loads, including pots, pans, and heavily soiled dishes.
This is the cycle to consider when food has dried onto cookware or when the load contains heavier soil that would not be appropriate for a short program.
It should not be necessary to use the Heavy cycle for every load. Using an intensive program when dishes are only lightly soiled can increase cycle time and resource consumption unnecessarily.
Auto Cycle
The Auto cycle is particularly useful for mixed household loads.
Instead of requiring the user to estimate exactly how much cleaning is required, the dishwasher can use sensor information to adjust aspects of the washing process.
This is convenient for everyday use because the amount and type of soil can vary considerably from one load to another.
Normal Cycle
The Normal cycle is intended for standard everyday dishwasher loads.
For households that regularly wash plates, bowls, cups, glasses, utensils, and moderately soiled cookware, a normal program is likely to be the most frequently used option.
The exact duration and water consumption can vary depending on the dishwasher’s operating conditions and selected options.
Speed60
Speed60 is designed for situations where the user needs a faster turnaround.
A fast cycle should not be interpreted as identical to a full heavy-duty program performed in a fraction of the time. Shorter programs generally have limitations regarding the type and amount of soil they can handle.
Speed60 is more appropriate for lighter or moderately soiled loads when getting dishes cleaned and dried quickly is more important than maximizing heavy-soil performance.
Additional Cycle and Option Flexibility
The connected features expand the ways in which the dishwasher can be configured.
This is one of the reasons the Home Connect functionality is more than a cosmetic feature. It can provide access to connected controls, cycle information, diagnostics, and other compatible functions.
CrystalDry: The Major Drying Feature
One of the defining features of the SHEM78ZH5N is CrystalDry.
Bosch’s CrystalDry technology uses minerals in a dedicated drying system to transform moisture into heat. The resulting heat is used as part of the drying process.
The purpose is particularly significant for plastics.
Plastic containers often remain wet in conventional dishwashers because plastic does not retain heat in the same way that ceramic, glass, or metal does. Water can therefore remain on plastic surfaces after the washing program ends.
CrystalDry was designed to address this problem.
Bosch’s published claim for this model says that dishes, including plastics, can be up to 60 percent drier based on an aggregate average comparison of Bosch dishwashers with CrystalDry against Bosch models using PureDry on a combined household load. That figure is a manufacturer test claim rather than an independent laboratory rating, and Bosch explicitly notes that drying performance varies by dish type.
That distinction is important when interpreting the number.
The useful takeaway is that CrystalDry is a substantive drying technology rather than simply a marketing label for conventional heated drying.
Does CrystalDry Dry Plastic Completely?
CrystalDry can substantially improve plastic drying, but it should not be interpreted as a guarantee that every plastic item will emerge completely dry under every condition.
Plastic geometry, material composition, the shape of the container, how it is positioned, and the amount of water remaining on the surface can all influence the result.
Containers with deep recesses or inverted surfaces can retain water even when the overall dishwasher drying performance is excellent.
Rinse aid also remains important. Proper rinse-aid use helps water spread and drain more effectively instead of remaining as individual droplets.
Rinse Aid and Drying Performance
Rinse aid is particularly relevant when evaluating the SHEM78ZH5N.
Its purpose is not simply to make glasses look shinier. Rinse aid changes the way water behaves on surfaces, helping water drain more easily and reducing the formation of persistent droplets.
The operating documentation recommends rinse aid for optimum drying performance.
If a dishwasher produces water spots, streaks, or unexpectedly wet dishes, the problem is not necessarily a defective drying system. Rinse-aid level, loading arrangement, cycle selection, water hardness, detergent choice, and dish geometry can all contribute.
This is an important consideration when troubleshooting the SHEM78ZH5N.
Sanitize Option
The SHEM78ZH5N includes an NSF-certified sanitize option.
The sanitize function raises the temperature and modifies the cycle to provide a higher-temperature sanitizing process.
This can be useful for households that want a higher level of sanitation for appropriate items such as cutting boards or baby-related items that are explicitly dishwasher safe.
However, sanitize should not be interpreted as meaning that every cycle on the dishwasher is a sanitizing cycle.
The certification applies to the appropriate sanitizing function under the relevant test conditions. Normal, quick, or other programs should not automatically be described as meeting the same sanitation standard.
42 dBA Noise Level
The SHEM78ZH5N is rated at 42 dBA.
That is one of the model’s most attractive characteristics for open-plan kitchens, apartments, and homes where the kitchen is close to living areas.
A dishwasher at this noise level is substantially less intrusive than older machines that produced considerably more audible mechanical and water noise.
Still, 42 dBA does not mean absolute silence.
You may hear water movement, drain-pump operation, filling, detergent release, or occasional changes in the wash system. Hard objects can also create noise if they move around inside the racks.
The practical benefit is that the dishwasher is designed to operate quietly enough that normal kitchen and household activities do not need to stop while it is running.
Home Connect Smart Features
The SHEM78ZH5N supports Home Connect.
The connected system can provide functions such as remote start, cycle-status checking, remote diagnostics, and other supported connected features.
For some households, this is genuinely useful.
For example, if you start the dishwasher before leaving the kitchen, connected status information can provide a way to determine whether the cycle is still running.
Remote diagnostics can also be useful when troubleshooting because connected appliances can provide service-related information without requiring the owner to manually describe every symptom.
However, smart connectivity should be viewed as an additional convenience rather than a reason by itself to purchase an older dishwasher.
If you do not use connected appliance features, the core value of the SHEM78ZH5N remains its washing, drying, rack design, noise level, and construction.
24-Hour Delay Start
The SHEM78ZH5N includes a delay-start function.
This allows users to schedule the dishwasher to begin later rather than immediately.
Delay start can be useful for households that prefer to run the dishwasher overnight, after dinner, or at another convenient time.
In some regions, electricity pricing may also vary by time of day, although whether delaying a dishwasher actually saves money depends entirely on the household’s electricity tariff.
The delay-start feature itself does not reduce energy consumption automatically.
AquaStop Leak Protection
Another important feature is 24/7 AquaStop leak protection.
The system is designed to detect and contain leaks and, in the event of a detected leak, stop operation and pump out water.
Leak protection is particularly valuable for a built-in dishwasher because the appliance is often installed inside cabinetry where a slow leak may otherwise go unnoticed.
A leak-protection system should not be interpreted as a substitute for correct installation and routine inspection.
Water connections, drain connections, hoses, seals, and plumbing fittings still need to be installed correctly.
Does the SHEM78ZH5N Have a Water Softener?
The model-specific U.S. specification sheet identifies the SHEM78ZH5N as having no built-in water softener.
This matters for households with hard water.
Hard water can contribute to mineral deposits, spotting, cloudy glassware, residue, and scale over time. Proper detergent dosing and rinse-aid use become particularly important in hard-water areas.
Households with very hard water may also need to consider the water-treatment arrangements already present in the home.
The absence of a built-in softener does not mean the dishwasher cannot operate in a hard-water area. It simply means the dishwasher does not provide an integrated water-softening system as part of the appliance.
Hard Water and the SHEM78ZH5N
If you live in an area with hard water, it is worth paying attention to the dishwasher’s maintenance requirements.
Mineral deposits can accumulate on internal components and surfaces over time. Glassware can also develop a cloudy appearance that may be confused with permanent glass damage or detergent problems.
Using the correct detergent quantity is important. More detergent is not automatically better, especially when the chemistry and water conditions do not require it.
Rinse aid can also help reduce water spotting.
Periodic dishwasher cleaning and inspection are worthwhile, particularly in areas with mineral-rich water.
Detergent Performance
The SHEM78ZH5N uses a detergent system designed to improve detergent dissolution.
Correct detergent selection and loading remain essential.
Dishwasher detergent should be used according to the product instructions and water conditions. Regular hand-dishwashing liquid should not be substituted for automatic dishwasher detergent because excessive foam can cause operational problems.
Detergent tablets can be convenient, but their performance depends on correct placement, adequate water temperature, appropriate cycle selection, and unobstructed detergent-dispenser operation.
If a tablet does not dissolve correctly, the cause may involve the dispenser, loading configuration, water temperature, cycle selection, or another operating condition rather than the detergent alone.
Loading the SHEM78ZH5N Correctly
The SHEM78ZH5N’s cleaning performance depends heavily on loading.
Plates should generally be positioned so that the spray can reach their surfaces. Bowls should not be nested so tightly that water cannot circulate between them.
Tall cookware should not block spray arms.
The third rack should be used for suitable shallow objects rather than forcing thick or tall utensils into a location where they interfere with the rack above or below.
Large cutting boards, trays, pans, and cookware should be positioned carefully so that they do not block the spray pattern.
A dishwasher’s internal engineering cannot compensate for dishes physically blocking the water jets.
Filter Maintenance
Like other modern dishwashers, the SHEM78ZH5N depends on a clean filtration system.
Food particles removed from dishes eventually collect in the filtration system. If the filters become heavily contaminated, cleaning performance can deteriorate.
Routine filter inspection is therefore part of normal dishwasher ownership.
The filter should be removed and cleaned according to the appliance’s instructions rather than being aggressively scrubbed or damaged.
The exact cleaning interval depends on household usage and how much food residue enters the dishwasher.
Homes that scrape most food from plates before loading may need less frequent cleaning than homes that put heavily soiled dishes directly into the machine.
Spray-Arm Maintenance
The spray arms are another important part of the washing system.
Small openings in the spray arms allow water to reach the dishes. Mineral deposits or food particles can obstruct those openings.
If dishes suddenly become less clean despite using the same detergent and cycle, inspecting the spray arms and filters is sensible.
The spray arms also need to be able to rotate freely.
Tall cookware or utensils positioned incorrectly can interfere with movement and create poor cleaning in parts of the dishwasher.
Common Cleaning Problems
Poor cleaning does not necessarily mean that the SHEM78ZH5N has a mechanical failure.
Several ordinary operating conditions can produce poor results.
Overloading can prevent water from reaching dishes. A blocked spray arm can reduce water coverage. Dirty filters can affect circulation. Incorrectly inserted filters can also create problems.
Very tall or narrow containers can be difficult to clean if they are positioned in corners or in a way that prevents proper spray coverage.
Excessive pre-rinsing can also be counterproductive in sensor-controlled dishwashers because the machine may interpret a lightly soiled load differently from a normally soiled load.
The better approach is usually to scrape off large quantities of food while allowing normal dishwasher-safe soil to remain for the dishwasher to handle.
Common Drying Problems
Wet dishes at the end of a cycle can have several causes.
Insufficient rinse aid is one possibility.
The selected cycle may also provide less drying than a program using the CrystalDry option.
Plastic containers may remain wetter than glass or ceramic because of their material characteristics.
Water can also remain trapped in the recesses of cups, bowls, containers, or utensils because of their geometry.
Removing dishes immediately after the program ends can make the load appear wetter than it would after a short cooling period.
Therefore, wet dishes should not automatically be interpreted as a failed heating or drying system.
Water Spots and Cloudy Glassware
Water spots are another common dishwasher complaint.
Minerals dissolved in water can remain on surfaces after droplets evaporate.
Rinse aid can help water drain from surfaces rather than remaining in large droplets.
Water hardness, detergent dosage, rinse-aid dosage, and cycle conditions all influence the final appearance.
If glasses are persistently cloudy, it is important to determine whether the problem is mineral residue or actual etching of the glass. Once glass has been permanently etched, simply changing detergent will not restore the original surface.
Energy Efficiency
The SHEM78ZH5N requires special care when discussing energy efficiency because it is an older model.
Its published specification gives 269 kWh per year and approximately 3.5 gallons of water per cycle.
Historical documentation identified the model as ENERGY STAR qualified at the time of its certification.
However, current ENERGY STAR criteria for standard dishwashers use a maximum of 240 kWh/year and 3.2 gallons per cycle.
Consequently, the SHEM78ZH5N’s historical efficiency numbers should not be compared with current models as though the certification criteria were unchanged.
This is an important distinction for someone buying the dishwasher today.
A current dishwasher can have a different energy rating even when its washing performance, capacity, and noise level are broadly similar.
Water Consumption
The published water consumption is approximately 3.5 gallons per cycle.
That was an efficient figure for a standard dishwasher, but current U.S. ENERGY STAR criteria are stricter at 3.2 gallons per cycle for standard machines.
The difference is not enormous on a single cycle, but households that run the dishwasher frequently may notice the cumulative water use over a year.
Water consumption also varies according to cycle and operating conditions.
Sensor-controlled programs do not necessarily use the same quantity of water on every load.
For anyone purchasing an older SHEM78ZH5N today, water and energy performance should therefore be considered alongside purchase price, condition, expected remaining service life, and availability of replacement parts.
Is the SHEM78ZH5N ENERGY STAR Certified?
The historical Bosch specification documentation identifies the SHEM78ZH5N as ENERGY STAR qualified and lists 269 kWh/year.
That historical certification should not be interpreted as proof that the model satisfies today’s criteria.
ENERGY STAR specifications change over time, and the current standard dishwasher criteria are 240 kWh/year and 3.2 gallons per cycle.
Therefore, when comparing the SHEM78ZH5N with a newly manufactured dishwasher, use the actual current energy label for each model rather than relying only on an old certification statement.
Electrical Requirements
The SHEM78ZH5N is specified for 120 volts, 60 Hz, and 12 amps.
This is a critical installation consideration.
The model is fundamentally a North American appliance configuration. Its electrical specifications align with the electrical systems used in the United States and Canada.
Installation should follow the model’s installation instructions and local electrical and plumbing codes.
The published documentation provides both corded and hardwired installation arrangements, depending on the installation configuration and appropriate accessories.
Can You Install the SHEM78ZH5N in the UK?
This question requires special caution.
The SHEM78ZH5N’s model-specific specification is 120 V / 60 Hz, while standard UK domestic electricity supply is based on approximately 230 V / 50 Hz.
Therefore, this exact North American SHEM78ZH5N should not be treated as a normal plug-and-play UK dishwasher.
A simple travel plug or ordinary adapter does not solve the voltage and frequency difference.
For UK homeowners, the safer approach is to select a dishwasher specifically designed and certified for the local electrical supply. If someone already owns a SHEM78ZH5N and is considering an unusual installation, the electrical compatibility must be assessed by a suitably qualified professional rather than assumed from the physical dimensions.
The washing technology and general ownership principles discussed in this review remain relevant to UK readers, but the exact electrical installation specification does not transfer directly.
SHEM78ZH5N in the United States
The United States is one of the model’s intended markets.
The 120 V / 60 Hz electrical specification, U.S. documentation, recessed-handle design, and U.S. installation instructions all correspond to the North American configuration.
One important consideration in 2026 is availability. The current U.S. product page identifies the SHEM78ZH5N as no longer available, while Bosch continues to provide support documentation for several model revisions.
That makes the model more relevant to people who already own one, are purchasing remaining inventory, or are evaluating a used dishwasher than to someone looking exclusively for the newest factory-current model.
SHEM78ZH5N in Canada
Canada is also directly relevant to this model.
Canadian product documentation identifies the SHEM78ZH5N as an 800 Series 24-inch stainless-steel dishwasher and provides Canadian specifications, installation information, and support material.
The Canadian specification lists the same 120 V / 60 Hz electrical arrangement and 16-place-setting capacity.
Canadian buyers should nevertheless verify local installation requirements and the specific revision of the appliance being purchased.
Installation Dimensions
The published overall dimensions are approximately:
- Height: 33 7/8 inches
- Width: 23 9/16 inches
- Depth: 23 3/4 inches
The published required cutout is approximately:
- Height: 33 7/8 inches
- Width: 23 5/8 inches
- Depth: 24 inches
Because installation conditions can vary, these figures should not replace the installation instructions.
Countertop height, flooring, cabinet construction, plumbing location, drain routing, and electrical access can affect the actual installation.
Anyone replacing an existing dishwasher should measure the opening rather than assuming that another 24-inch dishwasher has exactly the same installation requirements.
Drain Hose and Water Connections
The model documentation specifies a drain hose of approximately 79 inches and provides for an approved extension when required.
The installation documentation also specifies that part of the drain hose should be raised within a defined height range above the cabinet floor.
This high-loop arrangement is important for proper drainage and helps reduce the possibility of unwanted water movement through the drain system.
Local plumbing codes still apply.
The correct installation should therefore be based on the actual local plumbing configuration rather than simply copying a previous dishwasher’s hose arrangement.
Warranty Considerations
For the United States, Bosch’s general dishwasher warranty information provides one year of limited coverage for the entire appliance, including parts and labor.
Bosch also describes additional limited coverage for electronics and racks during the second through fifth years, while certain rust-through protections for the inner tub liner and stainless-steel door are described as lifetime coverage.
The exact warranty terms for a particular SHEM78ZH5N should be checked against the warranty documentation supplied with that unit.
This becomes especially important when purchasing an older or used machine because the age of the dishwasher can materially affect warranty status.
Canadian and other regional warranty arrangements should not automatically be assumed to be identical to the U.S. warranty.
Service and Parts Availability
One positive consideration for an older Bosch appliance is that model-specific service documentation remains available.
Bosch continues to provide service pages for several SHEM78ZH5N revisions, including manuals, installation instructions, specification sheets, Home Connect documentation, and parts-related support.
That can be particularly valuable when repairing an older dishwasher because identifying the exact model revision can prevent ordering the wrong component.
When buying a used SHEM78ZH5N, recording the complete model and serial information is therefore worthwhile.
Do not rely solely on the name “Bosch 800 Series.” Different 800 Series models can have different pumps, control boards, racks, drying systems, sensors, and installation requirements.
Build Quality and Long-Term Ownership
The SHEM78ZH5N has several features associated with a premium dishwasher: stainless-steel tub construction, adjustable racks, a third rack, advanced drying, sensor-controlled washing, quiet operation, leak protection, and connected controls.
These features give the machine a strong technical specification.
However, specifications alone cannot establish a guaranteed lifespan.
Actual service life depends on water quality, installation, usage frequency, maintenance, detergent, electrical conditions, component wear, and servicing.
It would therefore be inappropriate to promise that a SHEM78ZH5N will last a specific number of years.
Instead, buyers should evaluate the physical condition of an individual machine and the availability and cost of parts before purchasing an older unit.
Advantages of the Bosch SHEM78ZH5N
1. 42 dBA Operation
The 42 dBA rating makes this a quiet dishwasher and particularly suitable for kitchens close to living or dining areas.
2. CrystalDry
CrystalDry is one of the model’s strongest differentiating technologies, especially for households that frequently wash plastic containers.
3. Flexible Third Rack
The third rack adds another layer of loading space and is useful for utensils and shallow items.
4. 16 Place Settings
The large capacity is useful for families and households that prefer to run full dishwasher loads.
5. RackMatic
The adjustable upper rack makes it easier to accommodate different dish sizes.
6. Stainless-Steel Tub
The stainless-steel tall tub provides a durable interior and complements the dishwasher’s premium construction.
7. PrecisionWash
Sensor-based washing helps the dishwasher adapt its operation to different soil conditions.
8. AquaStop
24/7 leak protection adds an important layer of protection for a built-in appliance.
9. Home Connect
Connected functions can provide remote status information, remote operation, and diagnostic features.
10. Sanitize Option
The certified sanitizing option provides an additional high-temperature treatment for suitable dishwasher-safe items.
Disadvantages and Limitations
1. It Is an Older Model
This is perhaps the most important consideration in 2026.
The SHEM78ZH5N is not one of Bosch’s newest dishwasher designs, and the U.S. product page identifies it as no longer available.
2. Efficiency Is Behind Current ENERGY STAR Limits
Its published 269 kWh/year and 3.5 gallons/cycle figures are higher than the current ENERGY STAR limits of 240 kWh/year and 3.2 gallons/cycle for standard dishwashers.
3. No Built-In Water Softener
Homes with very hard water do not receive an integrated softening system from the dishwasher.
4. North American Electrical Configuration
The 120 V / 60 Hz configuration makes the exact model inappropriate as a straightforward UK installation.
5. Availability May Be Limited
Because the model is discontinued in the U.S., purchasing one may involve remaining stock, used appliances, or replacement situations.
6. Older Smart-Appliance Hardware
Home Connect remains useful, but smart-appliance functionality can evolve over time. Buyers of older connected appliances should not assume every modern connected feature will be identical to what newer models provide.
Who Should Consider the SHEM78ZH5N?
The SHEM78ZH5N can make sense for someone who specifically wants a quiet Bosch dishwasher with CrystalDry, a third rack, adjustable loading, stainless-steel construction, and strong leak protection.
It can also be relevant to existing owners who need a replacement or repair and want to understand their appliance’s specifications.
For someone purchasing a used unit, the combination of condition and price becomes especially important.
A well-maintained dishwasher with a clean interior, functioning racks, good spray-arm condition, working drying system, and documented maintenance can be considerably more attractive than a heavily worn machine simply because it carries an 800 Series badge.
Who Should Look at a Newer Dishwasher?
A shopper seeking the latest energy specifications should look closely at current models.
The same applies to someone who wants the newest rack architecture, newest connected features, updated controls, or current warranty coverage.
The SHEM78ZH5N should therefore be evaluated as an older premium dishwasher rather than automatically assuming that its specifications represent today’s Bosch 800 Series.
This distinction can prevent an important buying mistake: assuming that two dishwashers carrying an “800 Series” label necessarily have identical technologies.
Bosch SHEM78ZH5N vs a Modern Dishwasher
When comparing this model with a current dishwasher, consider at least these categories:
| Category | SHEM78ZH5N |
|---|---|
| Noise | 42 dBA |
| Drying | CrystalDry |
| Third rack | Yes |
| Capacity | 16 place settings |
| Smart connectivity | Home Connect |
| Leak protection | AquaStop |
| Sanitizing option | Yes |
| Water softener | No |
| Water use | 3.5 gal/cycle |
| Annual energy | 269 kWh/year |
| Electrical supply | 120 V / 60 Hz |
| Status | Older/discontinued U.S. model |
The most important comparison is not necessarily the number of features.
If a current model provides similar drying, noise, rack flexibility, and cleaning technology while using less water and energy and carrying a current warranty, those factors deserve consideration.
On the other hand, a used SHEM78ZH5N at an appropriate price may still provide a strong feature set.
Is the Bosch SHEM78ZH5N Good for Families?
The 16-place-setting capacity makes the SHEM78ZH5N well suited to households that regularly generate large dishwasher loads.
The third rack is particularly useful for families because utensils, lunch containers, measuring tools, and smaller kitchen items can be distributed across three levels rather than being forced into the traditional two-rack layout.
The quiet operation can also be useful when the dishwasher is running during family activities.
The main limitation is that very large cookware still requires thoughtful loading.
Is It Good for Open-Plan Kitchens?
Yes, the 42 dBA rating is particularly relevant to open-plan kitchens.
In an open-plan home, the dishwasher can be operating only a few feet from a dining table, sofa, or conversation area.
A quieter dishwasher reduces the likelihood that normal household activities will be disrupted.
The exact perceived sound will vary with the room, cabinetry, flooring, installation, and type of noise being generated, but the 42 dBA specification places this model firmly in the quiet-dishwasher category.
Is It Good for Plastic Containers?
The SHEM78ZH5N is particularly interesting for households that regularly wash plastic containers because of CrystalDry.
Plastic is traditionally difficult to dry completely in dishwashers because it does not retain heat as effectively as ceramic or metal.
CrystalDry was specifically developed to improve this situation.
Nevertheless, container shape still matters. Water trapped in recessed bottoms, lips, handles, and grooves can remain even when the overall drying system performs correctly.
Is It Good for Hard Water?
It can be used in hard-water environments, but the lack of an integrated water softener is worth noting.
Hard-water households should pay close attention to detergent dosing, rinse aid, cleaning, and mineral buildup.
If local water hardness is severe, a household water-treatment solution may be worth considering independently of the dishwasher.
The correct approach depends on the local water supply rather than assuming that every home requires the same treatment.
Is the SHEM78ZH5N Still Worth Considering?
The answer depends heavily on the circumstances of the purchase.
As an older premium dishwasher, the SHEM78ZH5N still has a substantial feature set: CrystalDry, 42 dBA operation, a flexible third rack, RackMatic, PrecisionWash, Home Connect, 16-place capacity, stainless-steel construction, and AquaStop.
But the model’s age matters.
Its published efficiency is behind current ENERGY STAR limits, and its U.S. product page identifies it as no longer available.
Therefore, the model makes more sense as a carefully evaluated used or remaining-stock dishwasher than as a representative example of the latest Bosch dishwasher technology.
Final Bosch SHEM78ZH5N Review
The Bosch 800 Series SHEM78ZH5N is a technically sophisticated dishwasher from an earlier generation of Bosch’s premium 800 Series.
Its strongest features are its 42 dBA noise level, CrystalDry drying technology, flexible third rack, RackMatic upper rack, 16-place-setting capacity, PrecisionWash system, stainless-steel tub, Home Connect connectivity, sanitize option, and 24/7 AquaStop leak protection.
The CrystalDry system is particularly noteworthy because it addresses one of the most persistent dishwasher complaints: wet plastic items.
The flexible loading system is another significant strength. A third rack combined with an adjustable upper rack can make a 24-inch dishwasher substantially more adaptable to different household loads.
Its main considerations are different.
The model is older, the current U.S. product page identifies it as unavailable, its historical efficiency figures of 269 kWh/year and 3.5 gallons per cycle are above today’s ENERGY STAR thresholds, and the exact appliance uses a North American 120 V/60 Hz electrical configuration.
For an existing owner, these limitations do not diminish the usefulness of the dishwasher. For a used-appliance buyer, they simply mean the machine should be evaluated based on condition, price, service history, parts availability, and expected remaining service life.
For a current shopper, the SHEM78ZH5N should be compared with today’s models using actual current specifications rather than assuming that every 800 Series dishwasher is equivalent.
Overall, the SHEM78ZH5N remains an interesting example of a premium Bosch dishwasher because it combines quiet operation, advanced drying, flexible loading, sensor-based washing, smart connectivity, and leak protection in one machine. Its specifications also demonstrate why model numbers matter: an older 800 Series dishwasher can differ significantly from a newer 800 Series model even when the series name is the same.
Frequently Asked Questions
1. What is the Bosch SHEM78ZH5N?
The SHEM78ZH5N is a 24-inch Bosch 800 Series built-in dishwasher with a stainless-steel tub, CrystalDry, Flexible 3rd Rack, RackMatic, PrecisionWash, Home Connect, AquaStop, and a 16-place-setting capacity.
2. Is the Bosch SHEM78ZH5N discontinued?
The current U.S. product page identifies the SHEM78ZH5N as no longer available. Bosch continues to maintain model-specific support documentation for several revisions.
3. How quiet is the SHEM78ZH5N?
It is rated at 42 dBA, making it a relatively quiet dishwasher suitable for kitchens located near living and dining areas.
4. Does the SHEM78ZH5N have CrystalDry?
Yes. CrystalDry is one of its primary drying technologies and is designed to improve drying, particularly on plastic items.
5. Does CrystalDry completely dry plastic?
It can substantially improve plastic drying, but it does not guarantee that every plastic item will be completely dry after every cycle.
6. How many place settings does it hold?
The published capacity is 16 place settings.
7. Does it have a third rack?
Yes. The SHEM78ZH5N has a Flexible 3rd Rack with fold-down sides.
8. Does the third rack reduce space for tall dishes?
It can if the racks are not adjusted correctly. The RackMatic upper rack allows users to change the vertical configuration depending on the load.
9. Does the SHEM78ZH5N have RackMatic?
Yes. The upper rack can be adjusted to accommodate different dish and cookware sizes.
10. Does it have PrecisionWash?
Yes. PrecisionWash is part of the model’s washing system.
11. Does the SHEM78ZH5N have a water softener?
No. The model-specific specification identifies the dishwasher as having no built-in water softener.
12. Is it suitable for hard water?
Yes, but households with hard water need to pay attention to detergent, rinse aid, cleaning, and mineral buildup because the dishwasher does not have an integrated water softener.
13. How much water does it use?
The published model specification gives approximately 3.5 gallons per cycle.
14. How much electricity does it use?
The published annual energy consumption is approximately 269 kWh/year.
15. Is the SHEM78ZH5N ENERGY STAR certified?
Historical Bosch documentation identifies the model as ENERGY STAR qualified. However, its published 269 kWh/year and 3.5-gallon-per-cycle figures are above the current ENERGY STAR limits for standard dishwashers, so buyers should distinguish historical certification from today’s criteria.
16. Does it have a sanitize cycle?
Yes. The model includes an NSF-certified sanitize option.
17. Does it have Home Connect?
Yes. Home Connect provides connected functionality such as remote operation, cycle-status information, and diagnostic functions.
18. Does Home Connect require Wi-Fi?
Connected functions require the appropriate network and Home Connect setup.
19. Does it have leak protection?
Yes. The dishwasher uses 24/7 AquaStop leak protection.
20. What voltage does the SHEM78ZH5N use?
The published specification is 120 volts, 60 Hz, with a 12-amp rating.
21. Can the SHEM78ZH5N be installed in the UK?
The exact North American model should not be treated as a standard UK installation because it is specified for 120 V/60 Hz rather than the UK’s approximately 230 V/50 Hz domestic supply.
22. Can it be installed in Canada?
The model has Canadian documentation and a Canadian specification sheet. Local electrical and plumbing requirements should still be followed.
23. Is the SHEM78ZH5N a 24-inch dishwasher?
Yes. It is a standard 24-inch-class built-in dishwasher.
24. What are its dimensions?
The overall dimensions are approximately 33 7/8 inches high, 23 9/16 inches wide, and 23 3/4 inches deep.
25. What cutout does it require?
The published cutout is approximately 33 7/8 inches high, 23 5/8 inches wide, and 24 inches deep, subject to the installation instructions.
26. Does it have a stainless-steel tub?
Yes. It uses a stainless-steel tall tub.
27. Does it have a heated drying element?
Its drying system is CrystalDry rather than simply relying on a conventional exposed heating element as the primary drying technology.
28. Why are dishes sometimes wet after a cycle?
Possible causes include insufficient rinse aid, dish positioning, plastic materials, water trapped in containers, cycle selection, or removing dishes immediately after the cycle.
29. Why are glasses getting water spots?
Water hardness, rinse-aid settings, detergent dosage, and water remaining on glass surfaces can contribute to spotting.
30. Why are dishes not getting clean?
Overloading, blocked spray arms, dirty filters, incorrect rack positioning, unsuitable cycles, and detergent problems can all contribute to poor cleaning.
31. How often should the filter be cleaned?
There is no single interval that is ideal for every household. Filter condition and usage should determine cleaning frequency, with heavier-use households generally requiring more frequent inspection.
32. Is the SHEM78ZH5N good for a large family?
Its 16-place-setting capacity and three-rack arrangement make it suitable for households that regularly produce large dishwasher loads.
33. Is it suitable for an open kitchen?
The 42 dBA noise rating makes it particularly suitable for open-plan kitchens where dishwasher noise can otherwise be noticeable.
34. Is the SHEM78ZH5N good for plastic containers?
Yes. CrystalDry is specifically valuable for households that frequently wash dishwasher-safe plastics.
35. Does the dishwasher have a delay-start function?
Yes. The model documentation identifies a 24-hour delay-start function.
36. Does it have a self-latching door?
Yes. The published specification documentation identifies a self-latching door.
37. How heavy is the dishwasher?
The published net weight is approximately 102 pounds.
38. Does it have adjustable feet?
Yes. Adjustable feet are provided for installation leveling.
39. Should I buy a used SHEM78ZH5N?
A used unit should be evaluated based on physical condition, price, service history, rack condition, pump operation, drying performance, leaks, electronic functionality, and availability of replacement parts.
40. Is the SHEM78ZH5N still a good dishwasher?
It remains a feature-rich dishwasher with strong drying technology, quiet operation, flexible racks, sensor-based washing, and leak protection. However, because it is an older model, buyers should compare its condition and historical efficiency specifications against newer alternatives before purchasing.
41. Is the SHEM78ZH5N better than every newer Bosch dishwasher?
The series name alone cannot establish that. Newer models can have different energy performance, rack systems, controls, connectivity, and other technologies.
42. What is the biggest advantage of the SHEM78ZH5N?
For many households, the combination of 42 dBA operation, CrystalDry, the flexible third rack, 16-place capacity, and adjustable rack system is the most significant part of its specification.
43. What is the biggest limitation?
Its age and availability are important considerations, particularly because its historical energy and water figures do not match today’s ENERGY STAR limits.
44. Is the SHEM78ZH5N a current 800 Series model?
No. It is an older 800 Series model. The current U.S. product page identifies it as no longer available, although support documentation remains available.
45. Does the 800 Series name mean it has the same features as today’s 800 Series?
No. Bosch has released different 800 Series generations and model configurations. The exact model number should always be checked before assuming that a particular dishwasher has CrystalDry, a specific third rack, a particular control layout, or a particular energy rating.
46. What should I check before buying a used SHEM78ZH5N?
Check the model and revision number, serial information, door seals, racks, third rack, spray arms, filter, drainage, washing performance, CrystalDry operation, Home Connect functionality, AquaStop condition, electrical connection, and overall cabinet and tub condition.
47. Is the dishwasher repairable?
Bosch maintains model-specific support material and parts/service information for the SHEM78ZH5N family. The availability and cost of individual components should be checked for the exact revision.
48. Should I use rinse aid with the SHEM78ZH5N?
Yes. The operating guidance recommends rinse aid for optimum drying performance.
49. Can I put every plastic item in it?
No. Only items specifically identified as dishwasher safe should be placed inside.
50. Is CrystalDry worth paying attention to?
CrystalDry is one of the most technically distinctive features of this model because it addresses the common problem of plastic items remaining wet after dishwasher cycles.
51. Is the SHEM78ZH5N energy efficient by today’s standards?
Its historical energy consumption was relatively efficient for its generation, but its published 269 kWh/year and 3.5 gallons per cycle are above the current ENERGY STAR thresholds for standard dishwashers.
52. Should UK buyers purchase this exact model?
UK buyers should be particularly cautious because the exact model is a 120 V/60 Hz North American appliance rather than a standard UK 230 V/50 Hz dishwasher.
53. Is it suitable for apartment living?
The 42 dBA rating makes it a strong fit from a noise perspective, provided the installation and electrical requirements are appropriate.
54. Does it have a child lock?
The exact specification documentation should be checked for the particular production revision because Bosch documentation for this model family has varied by revision. Buyers should not assume that every control-lock function found on a newer model is identical to this dishwasher.
55. What should I compare when replacing the SHEM78ZH5N?
Compare noise rating, drying technology, rack configuration, place-setting capacity, current energy and water figures, smart features, leak protection, installation dimensions, warranty coverage, parts availability, and purchase price.
Final Buying Perspective
The Bosch SHEM78ZH5N remains an interesting 800 Series dishwasher because it combines several features that matter in everyday use rather than relying exclusively on cosmetic upgrades. Its 42 dBA operation, CrystalDry drying system, Flexible 3rd Rack, RackMatic adjustment, PrecisionWash, 16-place capacity, stainless-steel tub, Home Connect, sanitize option, and AquaStop protection give it a substantial feature set.
The key to evaluating it in 2026 is understanding its age.
It should not be judged solely by the 800 Series name. Its 269 kWh/year energy figure and 3.5-gallon-per-cycle water figure belong to an earlier generation of dishwasher efficiency standards, while current standards are more demanding. The U.S. product page also identifies the model as no longer available.
For an existing owner, the SHEM78ZH5N can still be a highly capable appliance when properly maintained.
For a used-appliance buyer, condition and price are critical.
For someone seeking the newest dishwasher technology, current models deserve a separate comparison.
The most important lesson is therefore simple: evaluate the exact Bosch model number, not just the Bosch 800 Series label. The SHEM78ZH5N has its own combination of drying technology, rack design, water consumption, energy use, connectivity, and installation requirements, and those specifications should be treated independently from later 800 Series generations.