Step 5 · Test and Re-adjust
After making an adjustment, you need to test the new pressure setting. Go to a faucet inside or outside the house (it can be the same one the gauge is on) and open it for 15-30 seconds. This allows the water to flow, equalizing the pressure in the system to the new setting on the PRV. Close the faucet and check the reading on your water pressure gauge. If the pressure is still too high or you've gone too low, repeat Step 4 and this step until you achieve your desired pressure. The ideal range for most homes is 50-60 PSI.