Kitchen Sink Drain With Dishwasher Connection

A newly installed dishwasher not only needs a water supply but it needs somewhere to drain the water from the tub once it completes the wash cycle.

Kitchen sink drain with dishwasher connection.

Connecting dishwasher to an air gap. Cut the spare piping provided with the kit to the correct size. The factory drain hose on the dishwasher which runs from the dishwasher to the smaller of the two tailpieces on the air gap and a 7 8 inch inside diameter hose that runs from the other tailpiece on the air gap to the dishwasher nipple on the garbage disposal. Showing how the pros connect a kitchen sink drain and demonstrating different venting methods.

Tips tricks and proper drain and venting methods. A double bowl drain kit will have everything the single bowl kit has along with a waste tee connection and additional length of drain line to connect both bowls to a single p trap. Start by adding plumber s putty to the underside of the basket strainer and fit it into the drain hole at the bottom of the sink. You want to have this loop as high as possible and attach it to the underside of the countertop underneath your kitchen sink.

Now attach the one end of the pipe to the second outlet on the airgap stem the same way you attached the dishwasher pipe to the first outlet. The reason for the loop is so water draining from the kitchen sink cannot drain back into the dishwasher. No previous plumbing experience necessary. When you connect a dishwasher drain to the sink drain the potential exists for the dishwasher pump to siphon wastewater from the sink and contaminate the dishwasher.

A high loop means that the dishwasher drain hose is installed so that there s a u shaped bend above the point where the hose is connected to the drainage system. To prevent this the uniform plumbing code upc requires a dishwasher air gap a small dome shaped fitting that mounts to the deck of the kitchen sink or to the countertop. If your kitchen sink drain is corroded and leaking installing a new basket strainer is an easy way to solve the problem. If your sink has a garbage disposer you need an additional longer section of drainpipe to connect the disposer s drain line to the bowl drain line.

How to connect a dishwasher to a double sink. Install the plumbing for your kitchen sink easily and without leaks with this snappy trap drain kit. Use a measure tape to check the distance from the larger outlet on your airgap to the drain line for your kitchen sink. This all in one kit includes all parts needed saving you trips back to the store.

The drain hose starts at the bottom of the dishwasher and loops up to a higher point than the kitchen sink drain and then comes down to connect to either the kitchen sink drain or the garbage disposal.