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How to Fix Super High Water Pressure | Diagnosing High Water Pressure

How to Fix Super High Water Pressure

“How to Fix Super High Water Pressure” High pressure water can cause serious problems, such as pinhole leaks in pipes, significantly shorten the life of water heaters, dishwashers, boiler systems and washing machines, and increase water costs.

Signs are well known: knocking pipes, running toilets, drip taps, drains hot water very quickly, they all indicate that the pressure in the system is too high. Test your system with a water pressure gauge, which can be purchased at any home store for about $10.

Taps, such as laundry baths or water heaters drain the connections, then turn on the water.
The ideal health pressure of your plumbing system and appliances is between 40 and 60 psi, and building codes in most areas require a water pressure below 80. If you measure more than 80 psi meters, it’s definitely time to reduce the pressure.

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Hydraulic pressure regulator

To reach its pressure at the recommended level, you need a water pressure regulator. This is a common pipe valve installed after the meter enters the house. If you have installed one, it still has a high pressure and there may be a need for repair or replacement. already installed one, it might be time to call professionals. This is cheap and easy work for a trained Plumper, but you may need to adjust the height of plumbing and other advanced tasks.


Adjusting the water pressure regulator is quick and easy.

Turn off the water.

Place the water pipe and slowly transfer the main shut-off valve to the shut-off position.

Adjust the pressure

The regulator shall have a screw or bolt and a locking nut system. Loosen the lock nut and use a quarter of direction increment, turn the screw counterclockwise (left) to reduce water pressure, clockwise (right) to increase water pressure.

Fretting the system

Return to the hydrometer and retest the system (remember: hold pressure between 40 and 60 psi).

Fixed lock nuts

Once the pressure reaches the desired position, use the wrench to secure the lock nut to the regulator to make sure the adjusting bolt does not move.

Turn the water back on.

Go to the water pipe and slowly reopen the main water valve. You may need to run the tap for a few seconds to remove air from the system.


If the above steps do not work, and your pressure is even higher than the recommended psi, you may need to replace your regulator. They wear out over time, like any other piece of pipe.

What do you need?


  • Safety goggles
  • A bucket.
  • Two keys.


  • Plastic foil.
  • New hydraulic pressure regulator valve

Positioning your water pressure regulator

Usually they are installed immediately after the water enters the home, near the water pipe. Once you find it, write down the specifications. Buy your new one as close as possible to the same specifications so that you can use the already installed connection.

Turn off the water in the main

Place the water pipe and slowly turn the shut-off valve to the shut-off position.

Water drainage from the plumbing system

Water in the drainage system by opening the highest and lowest taps in the house. Doing both will eliminate the vacuum and ensure that as much water as possible is drained.

Set up the plastic film and cube

Even if it’s already drained, some water will be trapped inside the old valve. Set up the plastic film below and behind the workspace, and then create a path to drain the water into the bucket by stacking the plastic film into the bucket.

Prepare the new valve

Because you are using existing connections, you need to remove them from the new valve. They are nuts on both sides of the valve. Pay attention and store the O-rings that come with the new valve – you will need these, so be careful not to lose them.

Remove the old regulator

Hold the regulator in place with a wrench and tighten the nut with a wrench to make sure it does not turn or bend the pipe or damage the thread. Carefully remove the old regulator – this is the water will come out of the step and will be glad that you have set up the bucket.

Install a new regulator

The valve is directional and must be mounted directly upwards. This means that the water should flow through the bottom and top. Make sure the O-ring is in the correct position.

Tightening nuts finished

Use a wrench to complete the tightening of the nut. Do not tighten too much, but make sure that they are tight.

Leakage test

Slowly open the main water pipe and let the tap run until all the air comes out of the pipe. Close the tap, try reinstalling the O-ring.

Adjust to desired pressure

Use the steps in the settings list above to adjust your new regulator to the required water pressure. The regulator is now available.

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