If your home's water pressure is too high (exceeding 80 PSI), you should take immediate corrective action to protect your plumbing system and appliances from severe damage. Step 1: Locate your home's main water pressure reducing valve (PRV), which is typically positioned near the main water shut-off valve where the water line enters the house. Step 2: Use a wrench to loosen the locknut on top of the PRV, then turn the adjustment bolt counterclockwise in small quarter-turn increments to lower the pressure. Step 3: Attach a pressure test gauge to an outdoor spigot to verify that the PSI drops into the safe 50 to 60 range, then tighten the locknut. Verification: Check the pressure gauge reading to ensure stability.
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