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I need to know how to adjust pressure at water pressure regulator

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Loosen the stem retaining nut with an adjustable wench. Open a faucet or two and let the water run while adjusting the pressure regulator. Turn the valve's stem counterclockwise to increase the pressure and clockwise to decease. Tighten the retaining nut when you are satisfied with the water pressure.

Posted on Aug 29, 2010

  • helpifyoucan Mar 01, 2011

    I went to the website of the pressure regulator valve in my home to find out how to do it right and their instructions said to loosen the stem retaining nut and turn the valve stem clockwise to increase the pressure and counterclockwise to decrease the pressure. I'm not saying you're wrong, I am merely saying that the direction to turn the valve stem may vary based on the model.

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When A PRV starts malfuntioning, they often cannot be adjusted and need to be replaced or rebuilt.

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