Plumbing And Installing A Tabletop Dishwasher

Last Updated on July 18, 2021



Dishwashers have become incredibly prevalent and important in society today and are suitable to accommodate any kitchen space. There are numerous appliances offered by the market to assist you in your daily chores, giving you that extra time to spend with your loved ones or simply alone. Hence, for smaller families that have very insufficient space for a full-sized model or for those that do not need a large model, a tabletop dishwasher is the perfect option for them as it only requires a little space. However, how are they installed on the top of the counter or the table? Well, that is exactly what this article is all about, so let’s begin!

Know Your Dishwasher Model

It is crucial that you know your dishwasher adequately since there are certain consistencies as to how your dishwasher should be installed plus particular exceptions or modifications as well. Most units have everything you require to set it up instantly. Such as certain dishwashers arrive with two hoses on the back of the appliance, which is an inlet and the drain hose along with exact fittings so you can set the quick faucet adapter while also connecting the two hoses to your sink faucet. Further, for certain brands, some of the 3⁄4-inch fittings would have to be bought separately.

Positions for Installation

Tabletop dishwashers, as its name indicates, are supposed to be installed on the countertops or the tabletop. There exist more options than that, though. Firstly, make certain that you position the dishwasher as near to your kitchen sink as feasible. Generally, the tabletop dishwasher obtains its water when it is affixed to a sink faucet and the water is subsequently drained in the sink. Furthermore, as the cycle of the water entering and expelling is a continual process, this setup must therefore be ideal for the requirement for it to last for several hours. Also, note that if you wish to maintain convenient ingress to your appliance likewise you will need to first locate a level floor to fit your tabletop dishwasher on. Further, make sure that it should be positioned in the same manner that a full-size model is positioned with it standing at almost foot level. This way you can open the door and conveniently remove or put back the trays effortlessly.

Instructions for Plumbing and Installation

Bring out your new dishwasher as stated in the directive in the carton. It is also advised to put a cloth or cardboard down in order to protect the floors. Then, find the manuals and installation instructions and before proceeding, ensure that you examine them thoroughly. Then, lay your unit facing down in such a way that the unit’s back is seen. Also, many customers find it much easier to place the appliance facing the back as it can help you to comfortably reach the access panel as well as perform the primary connections.

Step 1: Begin With Connecting The Electrical Cord

Securing the electrical cord might be quite overwhelming. However, it would become less complicated if you understand the functions of the colours which are green, black and white wires. Kindly detach the appliance’s power lines before initiating any installation. First, you have to take off the lid or cover of the electrical access box, and if the box has screws affixed, you can remove them with a screwdriver. Accordingly, slide the three-pronged wires in the box opening. Similarly, proceed to connect the three wires with the help of wire connectors or wire nuts which are small plastic cups to create a tighter connection, an electrical tape could also be used for tightening the cord. Then you require to firstly, twist the wires of their identical colours. For reference, you need to secure the black or hot wire to the black wire which is inside the box by twisting them together, likewise secure the white or neutral wire with the white wire in the box. Likewise, conduct the same procedure for the green or grounding wire too. Ultimately, put the secure connections in the electric box again while closing it and accordingly screw it back.

Step 2: Water Supply Connection

One of the initial steps when it comes to connecting the water supply to your dishwasher, you will have to install the ‘Dishwasher 90’. There exists a connector kit for your machine which is contained along with the fittings. Further, you are expected to pertain to the manual and thus have the dishwasher 90 secured to the inlet of the water. Moreover, utilize the liquid which is a pipe-jointing compound which forms a leak-proof seal all over the borders of the dishwasher 90 and fix then it to the water inlet. Ensure to fix as well as fasten them with the help of pliers to achieve a tighter fit.

Step 3: Connecting The Line of The Water Supply

There is a water tube that is made of braided stainless steel included in the connector kit of your appliance. Which will allow you to clip the water supply chain or line with the ‘90-degree elbow’. Although, people often make a mistake of over-tightening the line because of the rubber gasket. You should avoid this as this could shred or strip the cords.

Step 4: Position The Dishwasher

The last step consists of setting your dishwasher to its desired location. For which you will need to firstly, attach the drain line, and then, use pliers to crimp the clamp to secure it. Further, you need to move the line underneath the sink between the hole in the cabinet. Also, if you wish to make the legs short or longer, attach the adjustable screws in such a way that each side is levelled. Furthermore, connect the shut-off valve of the hot water onto the water supply line of the device after levelling. After this, plug in your dishwasher and try to carry out a quick cycle to test if any leakages occur. If everything is perfect, you can proceed to operate the unit.


Hopefully, the steps mentioned above assist you to install and plumb your tabletop dishwasher effortlessly and without spending anything! Alternatively, when you get stuck or are simply not confident of any step please seek the support of a professional. Moreover, you must maintain your tabletop dishwasher. For example, make sure to not overload the unit with excess dishes. Additionally, rinse all the leftover food prior to operating the dishwasher. Doing this ensures that your dishwasher stays sustained for a longer time.  

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