But the valve with the smaller number of heads won't leak if i turn it off and the other on I am attaching a pic with the part circled in red to indicate where the leak is coming from When the sprinkler controller turns off the valve (rainbird asv), it leaks from the backflow preventer of the valve (approx 16 oz) then stops
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This happens on two separate zones
I have no master valve, the two zones
Z1 has popup sprinklers (about 14 rainbird 1800 series) watering the parkway lawn, which is a flat area The valve sits about 2 feet above the sprinkler heads Is the irrigation system on a filtered water line Sometimes when the filters get clogged over time, the pressure to the system drops and these can overflow like in your video.
New to me home, irrigation system many,many years old Was fine the first year we were in the home I took it apart, noticed the little internal pick was torn Once installed and water turned.
When we moved to the new place few months ago, most of sprinkler valves were old and leaking (whole system is 6 valves)
Yesterday, i replaced all new 6 valves Ask your do it yourself plumbing questions and get free answers as well as diy information about faucets, toilets, pumps and water filters from plumbers at plbg.com Tonight after i manually turned on one of my sprinkler zones for few minutes and after it was done i noticed that water was continuously leaking from the underneath the cap of the anti siphon valve. The champion product has been around in manual systems since the 1930's
To get the vacuum breaker loose, you might need gentle heat on the body Keep it on the breaker side So i just went ahead and shut off the valve for the whole sprinkler system until i was able to troubleshoot So in my situation do i need to replace the whole anti siphon valve unit or can i just fix the cap part