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Question DetailsAsked on 10/25/2013

Who takes care of a water hammer in a sprinkler system - a plumber or the irrigation company?

I have three zones and hear the water hammer after each one goes off (or on) not sure which it is. Noone seems to want to own up to doing this.

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2 Answers


My answer would be the one who DID'NT tap your main water feed for your sprinkler system. Whomever was originally hired to do the work should have installed an air chamber to prevent you from hearing those noises. If they didn't, they either don't know what they are doing or are cutting some very important corners.

Personally I would hire a plumber.

Answered 7 years ago by Steve0512


My answer is a bit different - according to the national plumbing code (which granted is not adopted universally), IF water was run to a stubout for the stated purpose of a sprinkler system connection (like with any other water-consuming tap), water hammer prevention should have been installed by the plumber.

If the sprinkler installer tapped a regular water line (or your main) to get water to the sprinkler system, then HE should have handled this.

Either can gix their error. If you are going to be paying for this now rather than one of them, I would use a plumber because it will likely the easiest way is to cut into the copper or Pex feed pipe to insert a water hammer absorber, and most irrigation men work only in glued or threaded pipe, so I would not trust them to make a connection that is going to last without breaking and leaking in the future. For this application, the pipes should also be fastened to the wall with rubber or foam inserts under the clamps, to absorb vibration and keep the pipes from wearing through at the clamps due to the frequent vibration from the valves opening andn closing.

Answered 7 years ago by LCD

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