Under Sink Dishwasher Drain Connection

An air gap typically installed in the countertop adjacent to the sink consists of a metal cylindrical cap with a quick connect or barb fitting for the dishwasher drain hose and a barb outlet to.

Under sink dishwasher drain connection.

Take the loose end of the drain pipe coming out of the loop and attach it to the small inlet on the wye. Use the compression nut and washer to fasten it. High loop to drain pull as much of the drain hose into the sink cabinet as possible. The truth is an air gap is the most effective method to protect your dishwasher from flooding with wastewater.

Stopped up sinks and clogged tubing can send dirty water from the drain back into your dishwasher. Choose the sink drain closest to your dishwasher installation to connect your dishwasher. Very fast to install this is a short video on how to install a dishwasher drain under your kitchen sink. Your pipe should now be running out of your dishwasher around in a high loop and down into the wye between your sink baskets.

Make the high loop then attach the end of the hose to the y branch tailpiece using a hose clamp. High loop to garbage disposal follow the same instructions as 1 except connect the dishwasher drain hose directly into the garbage disposal. You may need a dishwasher connector if the garbage disposal fitting is larger than your hose. Many plumbing codes do mandate dishwashers drain via an air gap fitting.

Connect hose to drain pipe. You may need to use some force to slide the hose onto the air gap fitting.