The valve is actually for the dishwasher and is commonly known as the dishwasher air gap. An air gap’s purpose is to prevent drain water from the kitchen sink backing up into the dishwasher, contaminating your cleanly washed dishes.

Whats that thing on the side of kitchen sink?

The purpose of the air gap is to prevent back flow siphoning from the sink drain back into the dish washer.

What’s the thing on my sink?





The chrome thing on your sink that looks like an upside-down juice glass is an air gap fitting for your dishwasher. An air gap fitting is a fixture that prevents dirty water from entering your dishwasher through the drain line and contaminating the dishes placed there.

What do you call the thing around the sink?

Countertop: A flat surface around the sink.

What is the vent on my kitchen sink?

An air admittance valve (AAV), sometimes called an auto vent, is a device attached to the fixture drain line. It has a mechanism that opens up to admit room air into the drain under the force of the negative pressure caused by water flowing through the drain.

What does an air gap do?

Air gaps entirely separate the hose running dirty water from the hose running to the drain. Since these two paths never intersect, there is no risk of wastewater creeping back into your clean appliance. The space between your kitchen faucet and the rim of your kitchen sink is a perfect demonstration of an air gap.

How do you remove a sink aerator?





Quote from the video:
Quote from Youtube video: Simply unscrew the aerator with the clockwise rotation using your hand can't get the aerator unscrewed by hand well.

How do you know if your vent pipe is clogged?

How to Tell if Your Plumbing Vent is Clogged

  1. A Primer on Plumbing Vents. …
  2. Water Takes A Long Time to Drain. …
  3. Dry and Empty Toilet Tanks. …
  4. Foul Smells. …
  5. Gurgling or “Glugging” Sounds as Water Goes Down the Drain. …
  6. Get Those Clogs Out of Your Plumbing Vent ASAP.


What happens if you don’t vent a sink?

If your sink is not vented, it will not be able to drain properly. Not only can it cause sewer gases to enter your home, but it will also prevent human waste, dirty water, and other byproducts from being removed from the pipes. Drains are pointed downward to allow gravity to assist in the removal of waste.

What is a loop vent?



A loop vent is a venting solution for a sink fixture P-trap that requires the vent pipe to run under the floor, such as a kitchen island sink. It rises from the trap and forms a loop inside the sink cabinet before dropping under the floor and running horizontally to the vent stack.

What is the cylinder next to kitchen faucet?

The valve is actually for the dishwasher and is commonly known as the dishwasher air gap. An air gap’s purpose is to prevent drain water from the kitchen sink backing up into the dishwasher, contaminating your cleanly washed dishes. Now that you know what it is, how does it actually work?

What is a sink air gap?

By Toni Matthews-El Updated May 18, 2022. A dishwasher air gap is a small, egg-sized item that connects your dishwasher to the kitchen sink drain. It’s usually mounted above the sink near your faucet. This device can prevent contaminated water from draining back into the dishwasher.

Why is water coming out of my air gap?



Quote from the video:
Quote from Youtube video: You want to check the holes for kinks. If there's any kinks in the line what will happen is it will restrict the water flow when it's shooting into your garbage disposal.

Should water come out of an air gap?

Water coming out the air gap should not be a regular occurrence, though occasionally it might happen when, for example, someone forgets to run the garbage disposal. Regular water discharge from an air gap points to a restriction in the water flow.

How do I remove air gap?

Quote from the video:
Quote from Youtube video: We simply just have to remove these two clamps. Once you remove the clamp. Go ahead and remove the hose. So here you can see just all of the build-up. And the food that's kind of rotted over sometime.

How do you clean a kitchen sink vent?

Quote from the video:
Quote from Youtube video: Put baking soda down the drain followed. By some vinegar. Let it set for a few minutes and then follow that with some boiling water.

How do you clear a blocked vent?



How to Clean and Clear Your Vent

  1. Climb onto your roof. …
  2. Have an assistant flush a toilet while you hold your hand over the vent. …
  3. Use a plumber’s snake of electricians fish tape to unclog the stoppage.
  4. If you can’t entirely remove the clog with your “snake,” use a garden hose to flush out remaining debris.

How does a vent pipe get clogged?

The vent system (those plumbing pipes that stick out of your roof) may be clogged instead.



Your vent pipe can become clogged from a variety of things:

  1. Bird nests.
  2. Bird or rodent carcasses.
  3. Leaves, small branches, trash, or other debris.
  4. Tennis balls or baseballs.