SharkBite PEX fittings make it easy to transition between pipe types during repairs. Fast, efficient and reliable, our transition fittings are compatible with Polybutylene, PEX, PVC, CPVC, PE-RT and HDPE, and are approved for behind-the-wall installation as well as burial.

Do shark bites ever leak?

SharkBite fittings can leak due to one of these reasons: The pipe was not properly deburred prior to installation. ... The pipe was not squarely cut. The pipe has scratches or debris on the outside that is preventing the O-ring from getting a watertight seal.

Why you shouldn't use SharkBite fittings?

A SharkBite fitting contains a rubber O-ring, which is not best for permanent connections. We don't recommend using a SharkBite fitting outside because sunlight can dry out the rubber O-ring and cause it to crack or split.