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What do I do if my water pressure is too high?

3 min read

Asked by: Kate Sarber

How to Adjust Your Water Pressure Regulator

  1. Turn off the Water. Locate the water main and slowly turn the valve to the off position. …
  2. Adjust the Pressure. The regulator will have a screw or bolt and a locking nut system. …
  3. Re-test the System. …
  4. Secure the Lock Nut. …
  5. Turn the Water Back On.

What happens if water pressure is too high?

This is a serious concern—water pressure that’s too high is difficult to contain, and could leak to plumbing leaks, worn seals, and damaged fixtures. It could even shorten the lifespan of your appliances that depend on a water connection like your washing machine, ice maker, dishwasher, and more.

How do I lower my water pressure in my house?

Turn the shut-off valve completely to the right. Loosen the locking nut on the water pressure regulator by turning it to the left. Turn the adjusting screw to the left to reduce the water pressure or to the right to increase the water pressure.

How do you fix too much water pressure?

The best solution for fixing too much pressure is to install a water pressure regulator on your main water line. This will help slow the flow of water when it is entering your home and regulate the pressure to where it is supposed to be.

Why is my water pressure so high all of a sudden?

Clogged Fixtures – Over time your fixtures collect excess dirt, minerals, and other particles that sneak in through the water. The excess builds up in the aerator screen, blocking the full flow of the water and reducing the pressure. Try cleaning out the fixture or replacing it before calling a plumber.

Where is my house water pressure regulator?

Where is it located? A water pressure regulator, if you have one, is usually located where the main water line comes into the house and after the main shut off valve. This way if you need to work on or change the water pressure regulator you can simply shut off the water main to do so.

How do you adjust a water pressure valve?


Next turn the adjusting screw clockwise to the desired pressure level as indicated on the downstream. Gage. You to lower the downstream pressure loosen the locknut.

Who controls the water pressure?

2. Malfunctioning Water Pressure Regulator (PRV) As mentioned before, the PRV controls water pressure to the entire home. A faulty PRV can cause fluctuations that abnormally strengthen or weaken water pressure throughout the plumbing system.

Can you adjust a water pressure regulator?

Tools you will need: Wrench or pliers and a screwdriver



With the right tools, you will be able to adjust the water pressure regulator by yourself instead of calling in a plumber. It is not necessary to turn off the water supply to adjust a pressure regulator.

Can a plumber fix high water pressure?

Many local plumbing codes require that your pressure be between 40-80 PSI. If your pressure is higher or lower, then you’ll need to install, repair, or adjust your pressure regulator to comply. Adjusting your regulator is easy, as long as it’s working properly.