How To Fix A Water Hammer Arrestor

For a gate valve turn the wheel clockwise until you can t turn anymore.

How to fix a water hammer arrestor. Call your local baltimore plumber to fix it. Generally it is a hollow pipe with a chamber that is used for absorbing the excess water pressure from the water supply line when the tap is suddenly shut. A water hammer arrestor cures this condition with a cushion of air that absorbs the momentum. The arrestor is not a complicated tool but works well to absorb the water hammer and eliminating the sound. It is usually at ground level in a straight line from your outdoor water meter.

Open the faucet at the lowest point in your home then open up faucets at high locations such as a second story bathroom. Apply primer and contact cement as directed for plastic pipes. Arresters for washing machines have screw on. Let the low faucet drain until nothing comes out. A loud knocking noise that occurs just after a faucet is turned off is known as a water hammer and can be fixed by installing a water hammer arrestor installing this device is simple but here is a list of do s and don ts that will ensure that the project goes as smoothly as possible.

Fixing water hammer. As the water drains out air will flow into the system through the uppermost faucet automatically adding air back into the air chambers. Most water hammer arrestors available today are easy to install and they feature screw type connectors that attach between a water supply line and a shut off valve view example on amazon. Connect the pipes to the t pipe to which the water hammer arrestor will be connected. An air chamber is made of copper pipe that is used for absorbing water pressure by compressing it within the chamber.

For a ball valve turn the lever 90 degrees clockwise. Solder together remember your safety goggles if you have copper pipes. Repeat for the other side if your appliance has a second water pipe. Connect water hammer arrestor to the t pipe. If you have water hammer try the following to fix it.

Close the faucets and turn the water. Note that this fix is only temporary and if it does work it means your water hammer arrestor is broken. Drain all water from all pipes by opening the lowest water faucet normally located in the front yard or the basement of a building. Before you install a water hammer arrestor determine which faucets or valves in your house cause the noise. Usually the main water valve is located on a perimeter wall of your house inside.