Kitchen Sink Drain With Dishwasher Connection

Showing how the pros connect a kitchen sink drain and demonstrating different venting methods.

Kitchen sink drain with dishwasher connection.

You want to have this loop as high as possible and attach it to the underside of the countertop underneath your kitchen sink. You connect the dishwasher drain hose to the inlet port of the air gap and then you add a short drain hose to the outlet port of the air gap and connect the other end to the sink drain. The reason for the loop is so water draining from the kitchen sink cannot drain back into 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.

The air gap includes an air vent that equalizes pressure in the drain line to prevent backflow. Use a clamp or bracket to fasten the loops top end to the underneath of your counter or against the back wall in the corner between wall and counter. Tips tricks and proper drain and venting methods. 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.

Dishwasher branch 4 2 out of 5 stars 37 7 58 7. Check the connection on your dishwasher to the drain pipe to ensure it s well fastened.