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.
Does dishwasher drain need high loop?
https://www.youtube.com/watch?v=t7dEkdHjR84
Where should a dishwasher drain be tied?
https://www.youtube.com/watch?v=IrkXblxjvtE
Can a dishwasher drain directly into waste line?
Nothing in the code specifically prohibits you from connecting a dishwasher drain directly into a waste pipe below the floor, but doing so creates many potential problems. ... Second, the drain must connect to a proper fitting with a trap that prevents sewer gases from backing into the dishwasher.
What is a high loop dishwasher drain?
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.Jul 6, 2021
What is a dishwasher high loop and why do you need one?
A high loop prevents waste water back flowing from your sink to your dishwasher. If the drain hose is not elevated, there is a potential for water to run the wrong way through your drain hose and can cause standing water at the bottom of your dishwasher.
Is a high loop as good as an air gap?
The air gap is to prevent dirty water from your dishwasher from flowing back into the dishwasher to re-dirty the dishes. ... High loop is more effective than the air gap, which is why most states don't require the air gap any longer. New dishwashers today come with the high loop hose already installed.
What height should a dishwasher drain be?
The opening should be to 35" max. height. The dishwasher must be installed so that drain hose is no more than 10 feet in length for proper drainage.
Can a dishwasher drain hose be too long?
Dishwashers all come with a drain hose that is about 6 feet in length but can be made to reach up to 10-12 feet with attachments. However, sometimes it is too long depending on the space you have from your sink to your dishwasher.Dec 22, 2020
How does a dishwasher high loop work?
A high loop is a method of backflow prevention where the drain line runs from the dishwasher to the highest point beneath the sink. The loop is affixed to the underside of the counter with a bracket, then drains down into the garbage disposal or sink drain.May 11, 2020