To connect a countertop dishwasher to the sink, you will need to first attach the adapter that comes with the dishwasher to the faucet. This adapter will allow the dishwasher to be connected to the sink's water supply. Next, connect the drainage hose from the dishwasher to the sink's drain. Make sure the hose is securely attached. Finally, plug the dishwasher into an electrical outlet and turn on the water supply to the sink. Your countertop dishwasher should now be ready to use.
Best Countertop Dishwashers in 2025
1
Rating is 5 out of 5
NOVETE Portable Countertop Dishwashers, Compact Dishwashers with 5 L Built-in Water Tank & Inlet Hose, 5 Washing Programs, Baby Care, Air-Dry Function and LED Light for Small Apartments
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【SMALL SIZE, LARGE CAPACITY】This portable dishwasher only measures 16.9 x 16.8 x 18.1 inches, but holds 4 full place settings and fits up to 12" dishes loaded at an angle, easily meeting daily needs for a family of 3-4; the double-layer design offers enough space for 4 x serving bowls, 4 x cups, 4 x small plates, 4 x dinner plates, 7 x spoons, 7 x forks and 7 x knives; perfect for small-sized houses, apartments, dorms, boats, and campers/RVs
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【NO INSTALLATION NEEDED】This countertop dishwasher supports 2 water supply modes, including a faucet mode and water tank mode; a built-in 5 L water tank allows instant use when fully filled. The automatic water level indicator lets you know when the correct water level has been reached; to use the faucet mode, simply connect the water inlet hose to the machine and faucet
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【BABY CARE MODE】This compact dishwasher offers 5 wash cycles - Normal, Speed, Soft, Baby Care/Heavy, and Fruit; the Baby Care/Heavy mode with 167 °F washing temperature is suitable for baby products and oily tableware, which rinses them thoroughly and gives glassware a sparkling clean finish
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【QUALITY CONTROL NOTE】 NOVETE dishwasher undergoes manufacturer's quality tests to ensure proper operation, so a little residual water in the unit is NORMAL. Before first use, it is recommended to run for 5 minutes to clear the dust and odor that may be generated during long-distance transportation in the dishwasher
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【SPEED WASH】When you are in a hurry and want your dishes ready faster, select Speed mode, which cleans dishes in just 29 minutes; the automatic air circulation helps to dry dishes so that you can use immediately
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【FRUIT MODE】A fruit basket is included so fruit and vegetables can be cleaned easily, ready to serve directly from the dishwasher
2
Rating is 4.9 out of 5
Farberware Portable Countertop Dishwasher with 5-Liter Built-in Water Tank - 5-Program System for Home, RV, and Apartment - Wash Dishes, Glass, and Baby Products
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VERSATILE CLEANING OPTIONS: The Farberware countertop dishwasher offers five different wash cycles, including baby care, glass, and fruit wash, ensuring that all your dishes, from delicate glassware to baby bottles, are thoroughly cleaned and sanitized.
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TIME-SAVING CONVENIENCE: With just 40 minutes, water, and electricity, you can have clean dishes and sparkling glassware anywhere and anytime. This small dishwasher is great for busy individuals who need a quick and efficient solution for their dishwashing needs.
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EASY TO USE AND MAINTAIN: This dishwasher features a user-friendly LED display and simple controls, making it easy to select the perfect wash cycle for your needs. Plus, the built-in water tank is easy to refill and clean, ensuring your dishwasher stays in top condition.
3
Rating is 4.8 out of 5
COMFEE’ Countertop Dishwasher, Energy Star Portable Dishwasher, 6 Place Settings & 8 Washing Programs, Speed, Baby-Care, ECO& Glass, Dish Washer for Dorm, RV& Apartment, Black
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【6 Place Setting】- A perfect size(H438×W550×D500mm) for 2-3 people, COMFEE’ compact dishwasher is suitable for dorms, RVs and apartments. This countertop dishwasher can fit up to 70 pieces of tableware, and a plate size of up to 10 inches diameter. Note: COMFEE dishwashers are tested at the factory before they are shipped. If your new dishwasher has some water inside, this is normal.
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【Simple Installation】- COMFEE' portable dishwasher can be connected to faucet directly (Suitable adaptor needed). Depending on your needs, it can be flexibly placed on the table or fitted in the cupboard.
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【8 Washing Cycles】- Most of the cleaning cycles, including Heavy, Normal, Baby-Care, ECO, Glass, and Speed, helped with extra-drying function, and deliver sparklingly cleaned and dried dishes. Three more cleaning options, including Speed, Mini-party, and Rinse, are designed for COMFEE' compact dishwasher, providing high flexibility for you to choose in different situations.
4
Rating is 4.7 out of 5
COMFEE' Portable Mini Dishwasher Countertop with 5L Built-in Water Tank for Apartments& RVs, No Hookup Needed, 6 Programs, 360° Dual Spray, 192℉ High-Temp& Air-Dry Function
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Please make sure the distance between your countertop and wall cupboard is more than 19.6" 【No installation needed】: Adding water manually in the 5L built-in water tank, you can put the dishwasher in any suitable place without connecting to tap water. Or it can be hooked to the kitchen faucet directly with the included water hose (Adapter included).Water pressure : 0.04 - 1.0MPa.
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[ Ultra-compact Design]: The ultra-compact design allows the dishwasher to wash 30+ items（Max to 9.5-inch plates) at a time while occupying a small area, which is ideal for small houses, apartments, dorms, boats, and campers/RVs.
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[ 6 Program Options ]: NORMAL, RAPID, STEAM, FRUIT, GLASS washing programs, and AIR REFRESH extra drying mode meet all your daily needs. Note: Use the standard dishwasher powders or detergents because regular liquid dish soap will cause dishwasher problems. (No detergent is needed for the FRUIT program, and RAPID just needs half of the standard quantity. )
5
Rating is 4.6 out of 5
Hermitlux Countertop Dishwasher, 5 Washing Programs Portable Dishwasher With 5-Liter Built-in Water Tank, No Hookup Needed
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When we enjoy cooking, we always have to face the problem of washing dishes. hermitlux Countertop Dishwasher is not only a convenient way to clean up after a meal but also saves a considerable amount of water compared to washing dishes by hand.
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【4 PLACE-SETTING CAPACITY】The Portable Dishwasher measures 16.85×16.73×18.03 inches (W×D×H), which has a 4 Place-Setting Capacity. And fits up to 10.25" dishes loaded at an angle.
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【FIVE WASHING PROGRAMS】Countertop Dishwasher with water tank perfectly provides 5 washing programs: Standard Cleaning, Fast Cleaning, ECO Cleaning, Strong Cleaning and Fruit Cleaning. Dual high water pressure spraying arms give dishes that streak-free deep cleaning.
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【HIGH TEMPERATURE】Dishwashers can clean tableware, fruits and vegetables, and also use the drying function after cleaning to keep tableware dry and tasteless. 167℉ High Temperature and PTC Hot Wind are suitable for baby products and oily tableware to give glassware a sparkling clean finish.
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【QUIET AND EFFICIENT】Top touch button for easy operation and recognition. The small footprint makes it perfect for small-sized houses, apartments, dorms, boats and RVs.
6
Rating is 4.5 out of 5
COMFEE' Portable Dishwasher Countertop with 5L Built-in Water Tank, No Hookup Needed, 6 Programs, 360° Dual Spray, 192℉ High-Temp& Air-Dry Function, Mini Dishwasher for RVs, White
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Please make sure the distance between your countertop and wall cupboard is more than 19.6" 【No installation needed】: Adding water manually in the 5L built-in water tank, you can put the dishwasher in any suitable place without connecting to tap water. Or it can be hooked to the kitchen faucet directly with the included water hose (Adapter included)
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[ Ultra-compact Design]: The ultra-compact design allows the dishwasher to wash 30+ items（Max to 9.5-inch plates) at a time while occupying a small area, which is ideal for small houses, apartments, dorms, boats, and campers/RVs.
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[ 192 ℉ HIGH-TEMP HYGIENE ]: The HYGIENE wash cycle boosts water temperature to 162 ℉ Rinsing and Max to 192 ℉ which can tackle even the heaviest soiled dishes and is also suitable for cleaning baby bottles and children’s dinner sets.
7
Rating is 4.4 out of 5
Countertop Dishwasher, HAVA Portable Dishwashers with 5 L Built-in Water Tank & Inlet Hose, 6 Programs, Baby Care, Air-Drying Function for Small Apartments, Dorms and RVs (Black)
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LARGE CAPACITY: This tabletop dishwashers only measures 16.86"L x 16.75"W x 18.05"H, but can hold up to 4 full place settings and fit up to 10.6" dishes loaded at an angle; the storage rack and cutlery basket make it easy to clean ''top rack only'' items such as knives, forks, and spoons, leaving more space for dishes and small pots; To ensure optimum dishwasher performance, please only use dishwasher detergent.
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5 WASH CYCLE OPTIONS & DRY MODE: Supports Normal, Speed, Soft, Heavy/Baby Care and Fruit modes for your various dishwashing needs; after each wash cycle finishes, an extra Dry mode provides an extra 60 minutes of drying, and offers 72-hour ventilated storage to prevent odors and keep your dishes clean 【NOTE】Do not move the dishwasher while it is operating or paused. Only move it when the water tank is completely drained
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360° CLEANING WITHOUT BLIND SPOTS: 14 water ports on the spray arms are designed to provide both top and bottom spraying for 360° cleaning coverage, rinsing your dishes thoroughly and giving them a sparkling clean finish
8
Rating is 4.3 out of 5
Portable Countertop Dishwasher with 5 Programs, 3-Cup Water Tank, Fruit/Veg Basket, High Temp, Air Dry
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Build- in Lights Function, Portable Size: 16x16x17.5(H) inch, 26.4 LB Net Weight, Convenient Dishwasher can fit a Variety of Dishes (up to 12-inches in diameter at an angle) and is ideal for small-sized Houses, Apartments, Dorms, Boats and Campers/RVs
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Multi Washing Programs: Six Wash Programs - Standard, Quick, Strong, ECO, Fruit and DRY. Lower and Upper Spray Arms give Dishes that Streak-Free Deep Cleaning
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Easy-To-Use Control Panel: The LED Digital Controls show a Clear Picture-View of Wash Controls and the Automatic Water Level Indicator Lets you Know When the Correct Water Level has been Reached
How to connect a countertop dishwasher to a one-hole faucet?
To connect a countertop dishwasher to a one-hole faucet, you will need a faucet adapter that is designed for this purpose. Here is how you can do it:
- Start by turning off the water supply to the faucet.
- Remove the aerator from the end of the faucet by twisting it counterclockwise.
- Attach the faucet adapter that came with your countertop dishwasher to the end of the faucet. Make sure it is securely tightened to prevent leaks.
- Connect the dishwasher hose to the faucet adapter. Most countertop dishwashers come with a hose that is designed to fit onto the adapter.
- Turn on the water supply to the faucet and check for any leaks. If you see any leaks, tighten the connections further.
- Test the dishwasher by running a cycle to make sure it is properly connected and working correctly.
- Once you are done using the dishwasher, disconnect the hose from the faucet and store it away until the next use.
By following these steps, you should be able to easily connect your countertop dishwasher to a one-hole faucet and enjoy the convenience of having a portable dishwasher in your kitchen.
What tools are needed to connect a countertop dishwasher to the sink?
To connect a countertop dishwasher to the sink, you will typically need the following tools:
- Adjustable wrench or pliers
- Screwdriver
- Bucket or bowl for catching water
- Dishwasher installation kit, which may include:
Hose clamps
Hose adapter or coupler
Faucet adapter
Hose extension (if needed)
Teflon tape (to seal connections)
Instructions for specific dishwasher model
It is important to carefully follow the manufacturer's instructions for installing the countertop dishwasher to ensure proper connection and function.
How to connect a countertop dishwasher without damaging the sink?
- Choose the right location: Before connecting your countertop dishwasher, make sure to choose a suitable location near your sink. This will make it easier to connect the dishwasher to the faucet without stretching the hoses or causing any damage.
- Prepare the sink: Before connecting the dishwasher, clean and dry the area around your sink where you will be attaching the hose. This will ensure a secure connection and prevent any leaks.
- Attach the hose: Most countertop dishwashers come with a hose that connects to your sink faucet. You will need to unscrew the aerator from your faucet and attach the hose securely. Make sure to tighten the connection to prevent any leaks.
- Use a sink adapter: If your sink faucet is not compatible with the hose provided, you can purchase a sink adapter from a hardware store. This will allow you to connect the hose to your faucet without causing any damage.
- Test for leaks: Once the hose is securely attached, turn on the water and check for any leaks. If you notice any leaks, tighten the connection or replace the washer to prevent water damage.
- Run a test cycle: Before using your countertop dishwasher for the first time, run a test cycle to ensure everything is connected properly and there are no leaks. If everything is working properly, you can start using your dishwasher regularly without damaging your sink.
How to adjust the hose length when connecting a countertop dishwasher to a wall-mounted faucet?
- First, start by measuring the distance between the countertop dishwasher and the wall-mounted faucet. This will give you an idea of how much hose length you need to cover this distance.
- Next, disconnect the existing hose from the wall-mounted faucet and the dishwasher. You may need to use pliers or an adjustable wrench to loosen and remove any hose clamps or connections.
- If the existing hose is too long, you may need to cut it to the appropriate length. Use a sharp pair of scissors or a utility knife to carefully cut the hose to the desired length.
- If the existing hose is too short, you will need to purchase a new hose that is the appropriate length. Make sure to measure the distance accurately before purchasing a new hose.
- Once you have the correct length of hose, attach one end to the wall-mounted faucet and the other end to the countertop dishwasher. Make sure to tighten the hose connections securely using pliers or an adjustable wrench to prevent any leaks.
- Turn on the water supply and run a test cycle on the dishwasher to ensure that the hose is properly connected and functioning correctly. Adjust the hose length if necessary to ensure a proper fit.
- Once you have confirmed that the hose is the correct length and securely connected, you can use the dishwasher as normal. Make sure to check the hose connections regularly for any signs of leaks or wear and tear.
