Closet flange

In plumbing, a closet flange (also known as a toilet flange) is a pipe fitting (specifically, a type of flange) that both mounts a toilet to the floor and connects the closet bend to a drain pipe.

The name comes from the term "water closet", the traditional name for a toilet.

Closet flanges are typically made of brass, cast iron, ABS, PVC, and lead.

In a typical installation, the closet flange is mounted on top of the floor with the hub fused around the drain pipe.

A wax ring (or waxless) is used to seal the gap between the flange and the bottom of the toilet.