How To Properly Hookup A Dishwasher Drain

Carefully slide the dishwasher into place.

How to properly hookup a dishwasher drain. It steps directly from 3 4 to 1 2 without an intermediate 5 8 level. I am installing a new bosch dishwasher and have run into a conundrum hooking up the drain. Turn on the water supply inspect for leaks and tighten connections if necessary. You may need to trim the hose and be sure to use a hose clamp.

The dishwasher is connected to a drain hose that runs water into the pipes under or into your sink. You ll need another piece of hose to connect the larger end of the air gap into the sink drain. 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. The parameters are the following.

If an air gap fitting is used there will be two lengths of drain hose. The dishwasher drain hose has a rubber bit on the end marked 1 2 and 3 4. Air gap to drain after mounting the air gap device to the sink or countertop you ll attach the dishwasher drain hose to the small side of air gap. Connect the drain hose according to manufacturer s.

Connect the water supply line to the dishwasher. Drain connection with air gap and garbage disposal. An improperly installed drain hose is by far the most common defect that i find with dishwasher installations but it s also one of the easiest things to get right. Before you begin troubleshooting it s important to understand how dishwashers drain and why dishwashers don t drain properly at times.

Use a drill driver to screw the dishwasher s mounting tabs to the underside of the countertop. Then get on the floor to connect lines to the dishwasher. Adjust the leveling legs with a wrench until the dishwasher is perfectly level. Replace the dishwasher s front panel.