How should a dishwasher drain hose be installed?
The loop should be installed as close as possible to the underside of the cabinet for maximum effectiveness. It is recommended that the discharge end of the drain hose is attached to the vertical sink drain pipe right before the P-trap (never on or after the P-trap).
Why does dishwasher drain hose need a loop?
Bosch: 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. This keeps the drain hose dried out and keeps any odors from backing up into the dishwasher.
How high does dishwasher drain hose need to be?
Dishwasher hoses should have a high loop at least 20 inches above the finished floor to prevent wastewater from entering the appliance if the drain clogs. Code requires that the hose connect to the sink drain on the sink side of the trap, typically with a branch tailpiece.
Where do you drill a dishwasher drain hose?
Drilling Holes in the Cabinets
Before you can install the drain hose and water line to the dishwasher, you’ll need to drill two holes in the sink base cabinet. For the drain hose, this is a 1 1/2-inch hole located near the back of the cabinet and as high as possible without hitting the sink.
Can you trim a dishwasher drain hose?
Simply so, can you cut dishwasher drain hose? Cut down the dishwasher drain hose so it is just long enough to reach the smaller tailpiece on the air gap fitting. Connect the end of this hose to the air gap, using a hose clamp. If it is too long, this hose may need to be trimmed down to size to prevent kinking.
Can I shorten my dishwasher drain hose?
It’s a pumped drain, you can put a full circle loops in it if there is not a good way to just shorten the hose. As long the hose is not kinked it will work fine.