Pentair Filter Relief Valve Replacement, 50 PSI | 473715Z Mabel This replacement restores filtration efficiency

This replacement restores filtration efficiency as cartridges age

The tablet dissolves slowly to contribute to ongoing water treatment between visits

The six-pack format supports quick replacements and straightforward installation

framed opening

Pentair Filter Relief Valve Replacement, 50 PSI | 473715Z Mabel This replacement restores filtration efficiencyWhat 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