Pentair Filter Relief Valve Replacement, 50 PSI | 473715Z Mabel A damaged or cross-threaded lid

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Pentair Filter Relief Valve Replacement, 50 PSI | 473715Z Mabel A damaged or cross-threaded lidWhat 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