Pentair Filter Relief Valve Replacement, 50 PSI | 473715Z Billow This focus on durability ensures

This focus on durability ensures parts like these hold up in demanding environments

For 150 to 400 H Series heaters

Used in residential and commercial pools

They are often serviced when internal components crack or clog

Replacing it restores optimal cleaning performance

Pentair Filter Relief Valve Replacement, 50 PSI | 473715Z Billow This focus on durability ensuresWhat This Part Is Used For Pentair 473715Z Relief Valve Replacement 50 PSI is a pressure relief valve designed for compatible Pentair filter systems. It opens automatically when internal pressure exceeds 50 PSI to protect equipment. Why This Part Matters Excess pressure can damage filter tanks and plumbing components. A properly functioning relief valve helps prevent system failure and costly repairs. Replacing a faulty valve restores safe pressure