Water Pressure Regulator Explained

What It Does

A pressure reducing valve (PRV) limits incoming water pressure to a safe level (typically 50-60 PSI). Without one, high pressure damages fixtures, causes leaks, and wastes water.

Signs of Failure

Banging pipes (water hammer)
Leaky faucets and running toilets
High water bills
Pressure fluctuations

Replacement

PRVs last 7-12 years. Replacement costs $200-$500 installed. Test pressure annually with a gauge on a hose bib.

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