How do I install a new air gap?
How do I install a dishwasher air gap?
- Locate the air gap hole on your counter.
- Connect the air gap to the dishwasher drain hose.
- Connect the air gap to the drain hose or garbage disposal.
- Push the air gap up through the hole on the counter.
- Run your dishwasher on a fill cycle.
What size hole is needed for an air gap?
1-3/8″
NOTE: If your sink does not have an unused hole for mounting the air gap body, bore a hole 1-3/8″ (3.5 cm) in diameter next to the sink using an electric drill and hole saw. Remove the cover and collar from the top of the air gap body.
Can a plumber install an air gap?
If your sink lacks an available hole for installing an air gap, a plumber can usually drill an opening where needed.
Where do I drill for air gap?
Attach a 1 1/4-inch diameter hole saw to a cordless power drill. Position the saw over the tape. Drill through the counter top to create a hole for the air gap.
Where does dishwasher air gap go?
Air gaps should be located in places where that discharged water will go to the drain; not all over a countertop, and especially not underneath a countertop.
Is a kitchen air gap necessary?
This will help prevent a clogged sink drain from causing dirty water to gravity-flow back into the DW through its drain line. An air gap is preferable as activating a disposal while there is a clog in the sink drain can still cause back-flow into the DW.
Why is an air gap needed?
This gap is usually about the distance between the faucet and the top of the sink or bathtub (one inch or more). Basically, the air gap is there to prevent accidental backflow. If contaminated water backflows, it can cause serious health risks. Without the air gap, wastewater could siphon back into the drinking supply.