Why does my sprinkler head make a hammering sound?

Like indoor plumbing, air trapped in the system can cause a hammering sound along the pipes and especially near the sprinkler valve. This knocking sound is called water hammer and is cured by passing the air through the piping system. Remove the sprinkler heads along the piping that is making the sound and turn on the water,…

Why does my sprinkler system make a knocking noise?

This knocking sound is called water hammer and is cured by passing the air through the piping system. Remove the sprinkler heads along the piping that is making the sound and turn on the water, allowing the water unregulated run of the pipes. Once the air is flushed out, reattach the sprinklers and turn on the sprinkler system.

How can I tell if my sprinkler system has a water hammer?

You can use three criteria to tell the difference between air in the pipes and water hammer. If you hear the noise when the valves close, if it occurs when the pump starts, or if you hear rapid bumps or thumps and then silence, you have water hammer.

What should I do if my sprinkler system is not working?

Reconnect the sprinkler to the water supply. Turn all the valves back on. Turn on all the faucets in the house and flush all the toilets. Turn on any appliances that use water. Let the water run for a few minutes to remove all the air that may be trapped in the system. If the problem isn’t corrected after running the water, move on to the next fix.

Why does my sprinkler system make a loud noise?

High water pressure entering your irrigation system may produce loud sounds called water hammer. Because of their echoing effect, the noise may seem like it is emanating from a particular sprinkler. To verify if your water pressure is causing the noise, turn your water off at its main outlet.

Why do I have a hammer in my sprinkler system?

If you hear the noise when the valves close, if it occurs when the pump starts, or if you hear rapid bumps or thumps and then silence, you have water hammer. You can fix this yourself with easy-to-find items. Turn off all the home appliances that use water, including faucets, dishwashers and water filters.

Why does my water hammer sound so loud?

With nowhere to go, the fast-moving water supply slams against the side of the pipe with an intense surge of pressure, causing the pipes to jerk and thud against wall framing or other pipes. As a result, you hear a loud series of bangs and maybe even feel the pressure shaking the house. Some jobs are better left to the pros