How do you troubleshoot low water pressure?


Quick Answer

To troubleshoot low water pressure, consult with your neighbors to discover if only your house is affected, look for a water pressure reducing valve, ensure the shut-off valve is completely open, and check for leaks in the main line. Make repairs as needed.

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Full Answer

  1. Talk to the neighbors

    First, discuss with your neighbors if the whole neighborhood suffers from low water pressure. Determine from their answers if the problem is specific to your home only. If the problem is community wide, have a water pressure booster installed.

  2. Look for a water pressure reducing valve

    If the problem is unique to your home, look near the water meter for an attachment that reduces the pressure of the water, which is a money-saving technique. If you find the water pressure reducing valve, either remove it or have a plumber adjust the setting.

  3. Check the main shut-off valve

    After confirming there is no water pressure reducing valve, check the main shut-off valve to ensure it is open all the way. If it is not, fully open the valve.

  4. Look for leaks

    Finally, check for signs of water damage that can indicate the presence of leaks in the main water line. Look especially in your basement and garage. Inspect also the area outside where your line meets the main line. If you find evidence of dampness, call a plumber.

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