Dishwasher Drain Line Loop
Drain connection with air gap and garbage disposal.
Dishwasher drain line loop. Figure 2 below shows the basic configuration of an installed high drain loop under a kitchen sink. If an air gap fitting is used there will be two lengths of drain hose. When the dishwasher is in its drain cycle you will hear a gurgling noise coming from the kitchen sink drain. In testing our dishwashers we have found that the additional high loop in the back of the.
This keeps the drain hose dried out and. If any water or waste is backing up the line there is some issue with the drain itself. The high loop in the drain hose of your dishwasher is to keep water from settling in the hose if it were hanging down any lower or horizontally. Installing a high loop is very easy compared to an anti siphon air gap device will involve drilling the kitchen sink or counter top so you can.
How to route your dishwasher drain hose depends in large part on local code requirements. What is a high loop. A high loop is when the dishwasher drain is elevated right before its connection to the kitchen sink drain. You may need a dishwasher connector if the garbage disposal fitting is larger than your hose.
An air gap is a vent that goes up through the top of the sink or countertop. The high loop is shown properly fastened to the underside of the countertop as needed. High loop to garbage disposal follow the same instructions as 1 except connect the dishwasher drain hose directly into the garbage disposal. Make the high loop then attach the end of the hose to the y branch tailpiece using a hose clamp.
In california for example an inspector may have held your homebuilder to the letter of the california. 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. This keeps the drain hose dried out and keeps any odors from backing up into the dishwasher.