Quick Answer: How To Install A Kitchen Sink Trap?

Does kitchen sink need a trap?

Beneath a kitchen or bathroom sink drain is a pipe with a sharp bend in it. You must have a p-trap installed under your sink if you want your home to pass inspection in many places, where the building code requires them. Even if they are not required, you should understand the practical purpose for installing a p-trap.

Are sink traps universal?

So many people have asked about trap/drain sizing for fixtures we decided to give you at least a loose guide for each type of plumbing fixture. Please note, although these sizes are pretty universal they are still subject to local plumbing codes.

What is the size of P-trap required for a kitchen sink?

Traps come in 1-1/4 inch (standard bathroom sink) or 1-1/2 inch (standard kitchen sink) inside diameter sizes. Be sure to check so you get the right size replacement at your local store. In this guide we’ll show you how to replace a P-trap in a few easy steps.

How deep is a sink trap?

The trap seal depth in the P trap should be a minimum of two inches deep and a maximum of four inches – see the diagram below to know how to measure it.

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Where is the trap on my kitchen sink?

Also known as a “P-trap,” a sink trap is a curved length of pipe located below the drain. If you follow the drain pipe from the bottom of the drain to the wall, this bend should be relatively in the middle, underneath the sink.

Can a kitchen sink have two traps?

It is perfectly fine to have (2) “P” traps, one on eash sink of a (2) sink setup. As long as the “P” traps are not Double Trapped ( more than one trap serving a fixture ) then it is fine as long as the weir is sized correctly.

Does trap have to be directly below drain?

The “P” trap SHOULD be directly under the drain, but no more than a few inches off center of it, if conditions require it.

Do I need a grease trap or interceptor?

A grease trap works well with a lower volume of flow; less than 50 gallons per minute. Large-scale establishments with a higher volume of flow; more than 50 gallons per minute, will need a grease interceptor, as they are better equipped to handle the extensive FOG that flows through the device.

Does every P-trap need a vent?

P-traps need vents 1 – They give the sewer gases a place to vent, so they do not build pressure inside your sewer lines. 2 – They prevent siphoning of the water out of the trap. A great example of siphoning is a toilet.

What is the rough in height for a kitchen sink drain?

The rough-in height for the kitchen sink drain is between 20 and 24 inches. This varies depending on the height of the vanity or counter and the depth of your sink. The taller the vanity or more shallow the sink, the further from the ground your sink drain will be placed.

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What is the difference between a J bend and a P-trap?

The J-bend beneath the sink is also referred to as the P-trap, the U-bend and sometimes even just the drain trap. In some cases, however, hand-tightening may not seat the washer correctly, particularly if your drain pipes are metal, so slip-joint pliers will often come in handy.

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