My water pressure is only about 25 PSI both inside and outside. The water district told me they are supplying 115 PSI to the house and advised that my Pressure Release Valve (PRV) is probably broken. The problem is, I can't find it. It's supposed to be within 5 feet of my water meter, which is buried outside near the curb, about 20 feet from the house. The water district can't help me find it. It doesn't seem to be near the clean-out for my sewer lines. Any suggestions how to find the valve?
Water – How to find a Water Pressure Release Valve
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Best Answer
Your pressure relief valve (let's stop using acronyms) is probably located on your water heater, it is actually a temperature/pressure relief valve. Sometimes a "pressure only" relief valve will be located on supply piping also. They are designed to open up and relieve pressure due to an unplanned temporary high pressure event, they both look something like this:
A pressure regulator is different. It is designed to regulate (control) your water utility company pressure before that pressure can damage your plumbing. This is the device you need go find. It should look something like this:
You will notice by a close look at the pictures that these two valves look very different.