Different Size Tub Drains

We sell a variety of shoe adapters some are only available from us.

Different size tub drains.

The actual drain pipe that s in the slab the plumber will connect to is probably 1 and one half inch diameter. There are two common thread types 16 and 11 1 2 threads per inch and one uncommon one 14 tpi. Built in tubs can present a bit of a challenge however. Brass abs acrylonitrile butadiene styrene plastic or pvc polyvinyl chloride plastic.

Tub drain assemblies are commonly made from one of three different pipe materials. Tub drain assemblies can be joined with slip fittings brass abs or pvc or with solvent glued fittings abs or pvc only. One of the most confusing and annoying plumbing problems is replacing the bathtub drain called a plug that screws into the base called a shoe. The proper size for both a bathtub drain and trap is 1 1 2 inches in diameter regardless of the bathtub size.

Rough in plumbing should be calculated for a 1 1 2 inch pipe. How what to measure. A freestanding tub makes measuring easy since everything is exposed. The type of trap used on a tub drain is a p trap.

Because they are the same size the. Large stand up shower stalls tend to have 2 inch pipes draining them. A standard modern bathtub drain is 1 1 2 inches in diameter the width straight across the middle.