How To Fix Reverse Water Hammer

So you have checked that your water hammer arrestors or air chambers are in place and working properly.

How to fix reverse water hammer. Watch the video for a simple solution that should make it stop. Some valves have a drain port on the bottom or side that will drain water too. This will drain out all the remaining water in your plumbing system allowing the air chambers to be refilled with air. To drain the chamber shut off the water at the valve on the feed line to the location where the hammer noise happens. Open the faucet flush the toilet or disconnect the appliance to drain the water.

This may be a lawn service basement sink or a draincock located on your water main shutoff valve. For a ball valve turn the lever 90 degrees clockwise. To fix this shut off your home s main water valve and open the taps at the lowest and highest points of the structure. If your pipes make a banging noise when you turn off the flow of water you have water hammer. An air chamber is made of copper pipe that is used for absorbing water pressure by compressing it within the chamber.

For a gate valve turn the wheel clockwise until you can t turn anymore. Drain all the water from your pipes by opening the lowest faucet in your home. Usually the main water valve is located on a perimeter wall of your house inside. The water in the air chamber will drain out too. One of the simplest methods for fixing hydraulic shock or water hammer is installing an air chamber.

As the suspended water in your pipes drains out air will automatically flow into the plumbing system and refill the air chambers. Drain your water system to replenish air chambers water hammer in pipes can be kept to a minimum by installing a new air chamber or a water hammer arrestor. If you would like a shock arrester as in the video he. This creates an effect of air filled pipe that acts as a tampon for the next time when water changes direction suddenly. To fix the issue homeowners need to drain their plumbing system.

It is usually at ground level in a straight line from your outdoor water meter. You may think you will need a plumber for this task. Another option would be to have water hammer arrestors put in place these won t fill up with water however they will eventually need to be replaced. It is a short segment of vertical pipe installed near the valves.