Where there is no disposal you are required to have the air gap and an air gap is required to be installed above the flood level rim of the sink.
Dishwasher air gap undermount sink.
In some jurisdictions they require an air gap on all dishwasher whether there is a disposal or not.
If you don t have an air gap at least loop the drain from the dishwasher as high as you can under the countertop before installing to a disposer or a trap.
Mounted to the rim of a kitchen sink the air gap s outlet intercepts and empties waste water from clogged drains before it can flow through the appliance s drain hose and into the appliance.
The air gap allows air in so the dishwasher can drain properly without it creating a vacuum and restricting water from being able to flow out.
One method is by purchasing and installing a dishwasher air gap fitting.
An airgap below the counter isn t a good idea.
A dishwasher air gap is a fitting mounted about two inches above the sink that prevents contaminated water from re entering the dishwasher from the drain via backflow.
The air gap is above the counter.
The dishwasher air gap is an important part of your machine which helps its normal operation.
This fitting usually attaches to the sink or the counter and it connects to the dishwasher hose.
A dishwasher air gap is code in many jurisdictions though some allow an alternative installation method.