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irrigirl

Active Member

1

Monday, February 16th 2015, 2:31pm

AntiSiphon

Just had an odd customer situation... Multiple 311A Irritrol valves. One of them sounds like it is loudly blowing out air from the anti-siphon side? But does not leak after or during valve run. Any clue??

mrfixit

Moderator

Posts: 2,234

Location: USA

2

Monday, February 16th 2015, 3:16pm

Does that valve control a drip line where there's a filter or a pressure reducer that's the actual cause of the sound?
The sound can travel up the pipe and out the opening of the anti-syphon cap.

irrigirl

Active Member

3

Tuesday, February 17th 2015, 8:16am

That's probably what it was, if no other explanation. I'm not sure if it does control a drip. I was just curious because I had no idea! But I will know for next time, thank you!

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