Do you want to perfect your food truck design by installing a sink? If YES, here is a 6-step guide on how to install a sink in a food truck. Whether it is installed in the kitchen, bathroom, laundry room, or in a Food truck, a sink is an integral part of every home and business establishment. Sinks are used every day to wash hands, bodies, dishes, pets, and clothing. They can hold items to soak or be used as a place for a quick rinse.

For food trucks, sinks are very crucial. From preparing meals to washing dishes, the importance of sinks can never be underestimated. Food truck sinks are always expected to meet some basic standards. These specifications are in most cases the same for both restaurants and food trucks.

How a Sink Fits in a Food Truck Design

According to regulations, installed sinks must have three compartments including a washing hand sink. All compartments are used for washing, rinsing, and sanitizing equipment, cooking utensils, and other tableware that are on board the food truck. Also have it in mind that sink compartments are expected to be of a size that can accommodate large equipment such as pans and cooking pots.

If your food truck is properly designed, it must already have designated areas where food leftovers are rinsed and scrapped into the garbage disposal system. Washing of used kitchen utensils with detergent can then be done in the first sink compartment.

Water and detergent used must be replaced when they appear dirty and suds can no longer be seen. Do not forget that water temperature in the first compartment should be kept at 110 degrees Fahrenheit.

The second compartment is designed for rinsing utensils after washing. This compartment is also expected to always have sufficient water to clean and remove detergent from utensils when they are immersed. The third and final compartment will sanitize items after washing and rinsing.

In the United States, the water temperature must be at least 171 degrees, items to be sanitized must be submerged for at least 30 seconds, and all items are to be air dried on a clean board. The hand – washing sink is always smaller than the other three compartments since it is meant for washing hands only. Food handlers are expected to wash their hands frequently to avoid contaminating food while working.

Sinks are available in many shapes, sizes, colours, and materials to meet the needs of the user, space, and style of the truck. The national average cost of installing a sink ranges from $200 to $1,000. For example, installing a drop – in, double – bowl kitchen sink in an existing counter should cost about $400.

6 Detailed Steps on How to Install a Sink in a Food Truck

Plumbers can and regularly do install sinks. In fact, it is highly recommend that you have a plumber handle this plumbing project for you. However, if you choose to do it yourself, here are steps to take;

1. Prepare the Sink

Note that the very first thing you need to do to install a new sink is to measure the old sink to get the right dimensions. When doing this, always ensure to pay attention to where the drain is. But if you can’t get a new sink with the same dimensions or drain location, you might need to change your counter opening or plumbing.

Nonetheless, when planning for your new sink, it is pertinent you consider whether you need to replace the faucet or any other components, as this is easiest to do when you’re replacing the entire sink.

Make sure the drainage and water supply preparation is properly located at the installation site. It should be at a height of 40 to 60 cm. This can range from the truck floor to the drainage outlet on the wall to achieve a proper slope from the sink.

2. Install the Water Supply

For this step you have to ensure that the Control Keys are installed. In case they are not installed, you can do it by first checking if the water pipe threads are clean, and then carefully place sealing tape on the threads. However, when putting the sealing tape, do it in a clockwise direction, because this will prevent it from coming loose. 3 to 4 turns of tape are sufficient.

For the control key, screw it in counter clockwise until you hear or feel it click; then screw it in clockwise, tightening as necessary. This way you will not damage the water supply thread. But if your preparation has only copper or CPVC pipe, you can purchase Compression Control Wrenches, which will allow you to do the installation without the need for adapters.

3. Install the Counterbalances

No matter the type of sink you are installing, be it single or double sink, the steps to install the Counter are almost the same. First you have to make sure the sink surface is clean. Then place the basket body and expanded polyethylene gaskets on top of the sink. You can use one or both gaskets, depending on the conditions of the installation.

Note that at the bottom, you will have to place the rubber ring and cardboard packaging. Screw on and tighten the lock nut with the appropriate tool. Remember to check the product sheets or installation instructions according to the model of the lock nut you are going to install.

4. Install the Trap or Sink Outlet

When choosing a trap for your sink, always should the space you have in your truck for the installation. Also consider the height of the pipe in your wall drain, and whether there are any misaligned drainage conditions. After you must have chosen the Trap or Sink Outlet model you wish to install, remember that a Universal Sucker must be placed on the pipe in your wall drain to ensure that your trap installation maintains a seal and does not leak.

However, in conditions of misaligned drainage, the connection between the device and the pipe is out of phase by more than 10 cm, i.e. the pipe is up, down, right or left of centre, so the trap cannot be installed regularly.

5. Connect the Truck Mixer Tap

At this point, install the control key connectors to the kitchen faucet. If your truck does not have enough space to insert a tool, it is advisable you consider the flexible connectors with the Adjustment Wrench, since you can make the manual adjustment on both ends of the connector without the need for tools. If you plan to use a single – handle, use nickel – plated adapters. These will allow you to convert its 3/8″ COMP. input to ½” F.N.P.T. in order to use the flexible connector.

6. Test It

After the above steps must have been undertaken, leave the water running to check your installation for leaks. Plug the drain and wait until the water reaches the middle of the trough. Once it reaches the middle, unclog the drain and check that no connections are leaking.


To successfully install your sink, it is important that all aspects of the project are done correctly to avoid damage and to ensure that the sink functions correctly. However, it is important to understand what is involved in a sink installation, and it is highly recommend that you leave this job to a trained professional.