What is the metal thing next to sink?

Author: Murphy Orn MD  |  Last update: Monday, June 15, 2026

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 the metal part next to the sink called?

Shut-off valve or stops: Often featuring an oval-shaped handle attached to a flexible braided metal line, a shut-off valve is located near a sink to help you control the flow of water. By turning the shut-off valve, you'll control the supply of water to the sink without turning the water off for the whole house.

What is the silver thing next to sink?

What Is That Metal Thing? The metal thing in question is a small, cylindrical metal tube that sits next to the faucet on your kitchen sink. Reddit user @dominostracker wondered the exact same thing, and according to a few wonderful human beings who took the time to answer, that thing is an air gap.

What is the thing on the side of the sink called?

Tailpiece: Connects the drain opening to the P-trap. It serves as a connection between the drain stopper assembly and the P-trap, facilitating the flow of water from the sink to the home's waste system and sewer line.

What is that thing next to the kitchen faucet called?

“That thing” is actually called an air gap, and it prevents wastewater from siphoning back into the dishwasher, which can occur when sinks become clogged and no air gap is present. Without an air gap, contaminated water could be sucked back into the dishwasher, dirtying your clean dishes and making you ill.

Are Holes in Plugs Totally Useless? Not Anymore!

What is the metal thing next to my 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 the small thing next to kitchen faucet?

The dishwasher air gap is a chrome or stainless steel cylinder fitting that can be found at the back of the sink near the faucet.

What is the switch next to the sink?

In a kitchen, an Air switch push button is installed on the granite countertop and controls the operation of the garbage disposal. The Air switch activates the garbage disposal's electric on/off switch by using an air tube, so water does not come in contact with the disposal's electronics.

What is a sink escutcheon?

An escutcheon is a pretty metal piece used to hide a hole in your wall where a pipe comes through. They can be found behind your faucets, showers, toilets, and under your sink. During any bathroom renovation, escutcheons are either removed to install new fixtures, or they are completely replaced.

What is the sink rack for?

Your Sink Needs a Protective Rack

It protects your sink, your dishes, and your sponge. Welcome to Clean Enough, a new kind of cleaning column for busy home cooks who have better things to do than scrub and sanitize around the clock.

What is the small faucet next to a big faucet?

The extra smaller faucet may be an instant hot water tap. Look for a tank under your second faucet with a cord into an outlet or junction box that helps keep the water hot. You don't have to wait for the hot water to travel all the way from the water heater to your sink.

Do air gaps go bad?

Air gaps have no moving parts, so they cannot fail. They work on the principle of simple physics. Water cannot siphon back through an unpressurized gap of air. If the drain tube becomes clogged the discharge water from the dishwasher will simply spill out of the holes in the air gap's heading.

Is an air gap necessary?

It creates a separation between the water supply and potentially contaminated water in a sink or other plumbing fixture. The use of an air gap is required by plumbing codes for certain plumbing fixtures, such as dishwashers, to prevent the backflow of potentially contaminated water into the clean water supply.

What are the grooves next to the sink?

The purpose of sink grooves is to prevent water from accumulating on the worktop by providing channels for the water to collect. This helps to keep the worktop clean and dry, reducing the risk of water damage and mold growth. Sink grooves also enable glasses and mugs to be placed on the worktop to drain and aerate.

How to take out a sink flange?

Using your slip-joint pliers, twist the locknut between the flange assembly and the bottom of the sink to remove it. If the flange is rusty or caked with residue, this may cause it to spin. Allowing the flange to spin while you loosen the locknut could lead to damage, so it's important to hold it still while you work.

What does an escutcheon look like?

Escutcheons (pronounced 'uh-skuht-shn'), are a flat plate of metal that fits around a keyhole.

What does a sink flange look like?

A sink flange connects the sink drain to a section of pipe called a tailpiece to create a tight seal. It is made of metal and sits around the edge of the drain rather like a collar, and it usually has a grid-like section covering the drain that looks like a strainer.

Should I caulk around escutcheon?

But often overlooked are the smaller seams around escutcheon plates and the various rings or caps concealing the holes where plumbing pipes or faucet valves come through the wall. If these joints aren't caulked, water can easily get behind them and into the wall.

What is the next switch called?

Nintendo Switch 2 is finally confirmed. After literal years of unverified rumors, dubious leaks and copious amounts of online speculation, Nintendo has lifted the lid on its next-generation console, and it's the Switch sequel the majority expected (and many of us wanted).

What is the button next to my sink?

A countertop air switch uses the pressure of air turn on or off your garbage disposal. And while at first glance you might not know exactly what it is, this button by the sink is quickly gaining in popularity for its good looks and advantages over the traditional wall switch.

What kind of outlet next to sink?

As a rule of thumb, any outlet within six feet of the kitchen sink should be a GFCI outlet.

What is the small faucet next to big faucet?

2) It's a small faucet for drinking water. Usually, under the sink, there is a filter that connects to the fresh water supply and the faucet with a pair of 90 degree shutoffs so that you can change the filter every 3 months or so.

What is a faucet spigot?

A spigot is a faucet, a device to turn water on and off. If you leave a spigot open, the water will keep flowing. In the U.S., most of us call an indoor valve (in the kitchen or bathroom) a faucet, and the outdoor one a spigot.

Previous article
What removes carbon residue?
Next article
What are the symptoms of a bad ignitor?