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The last 8 posts

Wednesday, July 12th 2006, 7:20am

by Wet_Boots

Even with the ASV higher than the heads (as it should be) the tight seals and strong springs of modern sprinkler heads can force back some water, and it will escape at the vacuum breaker. Placing a check valve just after the ASV would violate plumbing codes, which allow for no checks or shutoffs downstream. As long as the soil is pitched away from the house, the ASV valve hiccups won't do any harm.

Wednesday, July 12th 2006, 5:49am

by bobwinn

Got it, thanks.

Bob

Wednesday, July 12th 2006, 5:27am

by SprinklerGuy

Raise the ASV above the highest head is the only safe way to do it....

Tuesday, July 11th 2006, 5:09am

by bobwinn

Correct-- the ASV side. Can I put in a check(?) valve upstream to prevent this? I would rather the water stay in the line and/or slowly find its way out somewhere other than the side of my house.

Thanks

Friday, July 7th 2006, 2:41am

by SprinklerGuy

Hard to tell sometimes by reading....but yes i believe he was talking about the asv side.

It is normal....well kinda normal...when the asv is set too low and not above the highest heads on the line.....the water has to go somewhere...that asv is the point of least resistance....

Thursday, July 6th 2006, 12:52pm

by Wet_Boots

I think the OP was speaking of an antisyphon valve, which can occasionally vent water if retracting heads push some water back towards the valves.

Thursday, July 6th 2006, 10:47am

by Bill Painter

Over a period of time, many Richdel and Irritrol valves' screws can loosen with the expansion and contraction of operation. An old diaphragm that has been compressed with age often leaks, usually under the solenoid area. Tighten the screws a bit, and if that doesn't do the job, replace the diaphragm. The squirting will undoubtedly cease....

B.

Tuesday, June 27th 2006, 7:51pm

by bobwinn

Leaking Richdel at end of cycle

A bunch of water comes out at the end of the cycle (draining the zone?) from under the large round end of the Richdel 3/4 valve. Is this normal or is something broken in there? I have 5 zones and this seems to be the only one doing it.

Thanks

Bob