Plumbing fittings vary by size, purpose and material. You often must tie together pipes of different materials ... like cleanout plugs, are threaded. Here are the most common drain fittings.

And while PTFE tape is a good idea on most other threaded metal pipes, you'll never need plumber's tape for PVC, soldered ...

Pittsburgh Water has been working on upgrading the sewers throughout Pittsburgh’s South Side. On Wharton Street, they used a ...