SharkBite Check Valves are general purpose, spring-loaded check valves that are easily installed on Copper, CPVC, PEX and PE-RT lines. These valves can be installed horizontally or vertically and prevents the reverse flow of water through the water supply line. Designed for vertical and horizontal installationNo soldering, clamps, unions or glue required200 psi maximum pressureConnects copper, PEX and CPVC pipe in any combinationThe SharkBite Check Valve is a general purpose, spring loaded check valve that can be installed in seconds on copper, CTS, CPVC, and PEX. The SharkBite check valve can be installed horizontally or vertically and prevents the reverse flow of water thr