Sink Air Gap Purpose

A dishwasher air gap sometimes called a kitchen air gap or kitchen sink air gap is usually a small metal cylinder near your sink faucet with a few holes in it designed to prevent dirty water from draining back into your dishwasher.

Sink air gap purpose.

The device is usually a small cylinder sitting on your cabinet top near the sink and faucet. If you do not have an air gap hole on your counter you will have to drill one yourself. Air gap assembly an air gap assembly consists of two hoses under sink piping and a decorative cap. You can buy with confidence know that delta backs all of its sink accessories with a lifetime limited warranty.

A related term in computer security is air gap networking. An air gap as it relates to the plumbing trade is the unobstructed vertical space between the water outlet and the flood level of a fixture. When water flows through the drain hose it creates a suction on the water still in the dishwasher. The gap where the water falls downward through the air instead of a hose functions to prevent siphoning and.

A simple example is the space between a wall mounted faucet and the sink rim this space is the. Air gaps prevent cross connections and contamination by discharging water and waste across an unobstructed space a gap of air. Air gap hoses are typically flexible rubber or plastic. When your dishwasher pumps out the dirty grimy water it travels through a drain line into the air.

The same principle applies to your dishwasher air gap. In a properly functioning air gap the dishwasher hose attaches to an input on the air gap and the water is expelled out the end. The faucet outlet is always higher than the rim of the sink which creates an air gap between the two. Remove this disc and set it to the side.

From the outside the dishwasher air gap seems to be a 2 inch tall metal cylinder on one side of the kitchen sink but the internal plumbing of the air gap is the important part since it prevents contaminated water from draining back into your dishwasher due to a stopped up sink a plugged tube or a clogged garbage disposal. The air gap makes a hole for air to get in. Gravity pulls it downward into the hose which carries it to the garbage disposal. This way the water only leaves the dishwasher when it is pumped out.

That space is between the fixture outlet and the flood level rim of a receptacle be it a sink floor drain standpipe or other approved unit. The backed up sink water won t reach the faucet outlet and contaminate your water supply. Item 1457760 model 105895srs. Bore a 1 3 8 hole in the countertop using an electric drill and hole saw.

How an air gap works. Be sure the hole is close to the rim of the sink so the air gap will have ample room to drain in the event the tubes overflow.