How far can P-trap be from tub drain?

Plumbing Codes

P-Traps must connect to the same size drain outlet, with a diameter of at least 1.5 inches. The vertical distance from the fixture to the trap can not exceed 24 inches. The horizontal distance from the fixture to the trap should not exceed 30 inches.

Can P trap be offset from shower drain?

Can I use two 45-degree bends between the drain the P trap to offset the trap a few inches to the side? It'll still be well within 24" of vertical distance between the drain and the trap. Sure as long as you don't "double trap" the drain. which as long as the P trap slopes the correct direction, you are fine.

Does the P trap have to be directly under the drain?

You attach the p-trap directly to the drainage and manuever the p-traps exits into you existing drain. It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally. They both work and have seen it many times.

Can a tub and shower share a trap?

Yes, they will both be using the same drain pipe at somepoint inside or outside of your house. But the the pipes must join well below the level of both items or the pipe must be large enough for the combined flow, otherwise when you put water down one of them, it will flow out of the other!

Can you have 2 P traps in series?

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.

How Do P-Traps Work? 5 Drain Issues to Watch Out For

Is it OK to install P-trap backwards?

The outlet end of the trap pipe should be lower than the inlet when installed properly. The example shown has it backward, which creates a trap seal more than 4” and makes the drain more likely to clog—and that's a long explanation for why a backwards trap is a bad thing.

What kind of trap do you use for a bathtub?

Use a P-Trap

The proper size for both a bathtub drain and trap is 1 1/2 inches in diameter, regardless of the bathtub size. The type of trap used on a tub drain is a p-trap. Because they are the same size, the trap will glue directly onto the PVC drain pipe without the use of adaptors or fittings.

Does tub drain need vent?

All drains in your bathroom, from your bathtub to your toilet, need a plumbing vent stack. Without a proper vent, you may hear gurgling pipes, smell a putrid odor, or notice slow-draining water. Not having a bathtub drain vent can even be hazardous to your family's health.

Can two drains share a trap?

Yes, in most every home, multiple P traps eventually go into a single drain. The important considerations are that there is proper slope, there's a vent within a certain distance of the drain (either wet or dry), and that the drains are properly sized.

How far can P-trap be from shower?

The maximum distance between the shower drain and the P-trap is 5 feet. However, the P-trap should be as close to the shower drain inlet as possible. You should even have the P-trap directly under the shower drain for the best results.

Why does a shower require a 2 inch drain?

A 2-inch pipe is the recommended size because showers have a low threshold for flooding, and a 2-inch pipe helps the water drain faster than does a 1 1/2-inch pipe. So, if you are converting from a tub and shower combination to a shower, you'll likely have to change the drain pipe size.

Can a trap arm have an elbow?

They say, yes you can.

How far can vent be from P trap?

trap, the distance from the weir of the trap to the vent pipe opening “shall not” exceed 30 inches.

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.

Can a shower and toilet share a vent?

Wet vents are typically used when plumbing a bathroom group. So yes the shower can also be vented by the wet vent along with the toilet. There is one major stipulation when wet venting multiple fixtures when a toilet is one of them: the toilet must be the last fixture connected to the wet vent.

How tall is a bathtub P-trap?

The trap is usually attached to the end of the tailpiece, and tailpieces are typically between 6 - 8 inches long (though I've seen up to 12). So the "standard" height of a trap would be, 6 - 8" below the fixture.

How far should tub drain be from wall?

Bathtub Drain Measurements

The drain hole should be a minimum of 12 inches away from the wall and 9 inches in scope. To rough in the drain, use a 1.5-inch pipe.

What does the P stand for in P-trap?

A P-trap gets its name because it combines two 90 degree joints with a horizontal overflow pipe and gives the entire unit the shape of the letter “P.” One of the 90 degree joints exits the drain of the sink and then is joined to another which contains a water seal system that allows for water to flow into the overflow ...

Do showers need P-traps?

P-traps, the curving section of pipe you can see under the sinks in your house, perform a vital function for any plumbing fixture in a building. Shower and bathtub drain pipes must incorporate a P-trap; otherwise the health and safety of anyone in the building will be jeopardized by sewer gases entering the building.

Do you glue P-trap?

PVC pipes under sinks include the P-trap that connects the drain to the house plumbing. Such pipes can be connected using threaded pieces or with glue. Gluing your PVC pipes creates a much stronger and permanent hold that can only be broken by cutting off the pipes.

What's the difference between J bend and P-trap?

Related Articles. The J-bend beneath the sink is also referred to as the P-trap, the U-bend and sometimes even just the drain trap. While there are some subtle differences between each of these fittings, they all essentially mean the exact same pipe in a drain pipe system.