Shower drains shall have an outlet size of not less than 11/2 inches [38 mm] in diameter.

What size drain is required for a shower?

2-inch Keep in mind that shower drain assemblies are generally made to fit a 2-inch drainpipe, not the 1 1/2-inch pipe usually found on tubs. 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.

Can a shower have a 1.5 inch drain?

The tub can drain at leisure and the shower function when in utilize, with flow-limiting showerheads, fall within the flow rate that a 1.5” drain can handle. Tub manufacturers make tubs with 1.5 inches drains, so this is accepted practice.

Can showers have a one and half inch drain?

1 1/2 is not allowed for a shower drain by most codes but i have seen many use a 2x1 1/2 bushing reducer when installing a shower where a tub used to be and the pipe was neveer changed to the correct size. with a full 2 drain the 1-2 times a year augering would probably go to once a year or less.

What is code for a shower drain?

While a shower usually requires a 2-inch drain pipe, the vent pipe must be either 1 1/2 inches or 2 inches depending on local requirements. Be sure to double check this to see what the code is in your area.

What size pipe is a shower head?

1/2 inch The standard thread size for shower heads in the US is 1/2 inch. You dont have to worry about fitting since the size of shower head threads is standardized.

How far should a shower drain be from the wall?

Rough-In Dimension TerminologyToiletShower/TubDischarge/Drain Hole from Back Wall12 1/214Discharge/Drain Hole (Vertical)00Fixture (Side to Side Buffer)15 to 18 min18 minFixture (Front Buffer)21 min18 min2 more rows•Nov 25, 2020

Is there a trap on a shower drain?

The shower drainage features a piping that has a trap as part of its key components. The trap in the shower drain works like the one beneath the kitchen sink. While the sink trap is P-shaped, you may find some S-shaped shower traps.

Does a shower trap have to be directly under the 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. NO trap, TWO traps, and/or a 9 foot offset are NOT allowed and if he suggests any of them get a different installer who is a REAL plumber.

What is the minimum size of a walk in shower?

36 inches by 36 inches The ADA suggests a minimum size of 36 inches by 36 inches for a walk-in shower, which features a bench attached to one wall for sitting. Even if you eschew the bench, 36 inches by 36 inches is a good minimum size for ease of showering.

Where should a shower drain be located?

The shower drain has to be at the lowest point of the shower floor, and so the floor has to slope down toward the drain from all directions. If the drain is in the center of the floor, youll have a relatively level space around the drain to stand on.

How do you get a shower P-trap?

The P-trap is a U-shaped section of pipe that dips down below the rest of your shower drain line before it connects to your main stack. If you look under your bathroom or kitchen sink, you should be able to see P-traps here, as well.