I have 14 zones which work fine except for zone 6. When it starts water starts coming out of backflow preventer. I already changed the valve parts and solenoid. Is there any thing else I can check?

  • 3
    Traditional sprinkler designs have one back flo preventer regardless of number of stations. Sounds like a problem with the station valve. May 18, 2023 at 14:47
  • You could improve your question by providing more details on the sprinkler and a photo May 19, 2023 at 3:17

1 Answer 1


It sounds like you have a blockage in that zone and the water is dispersed through the backflow.

Try taking the heads off at the beginning of the zone. Also look for damp ground where a brake may have occurred. If you had a break and repaired it there may be debris in the pipe that has been compressed by the water and is now a solid block.

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