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Sunday, June 10th 2012, 10:22pm

water trickle following the anti-siphon valve & controller alarm issue

We bought a house with an irrigation system a year ago and after paying
someone to start and winterize it last year, I'd like to do it myself
this year. I have it working but when the water is on, there is water
slowly dripping from a tube outside near the anti-siphon valve (more than a gallon a day) and I
would like some input. The system has an Irritrol 2711/2713DPR
anti-siphon valve. After the valve, on the pipe going out to the system,
there is a T with a cap - a Rain Bird Shrub Bug - with a small hose
attached to it. I'm wondering if this was to allow any remaining water
to escape after the system was blown out? Can I just replace this cap with a solid one or will this cause a problem?

Also, if the rain sensor is active, the alarm on the controller comes on and won't allow the system to run at all, manually or otherwise. If I switch the sensor to stand by, then it works. I thought that maybe the sensor's batteries were dead so I replaced them today and it's still doing the same thing. The manual for the controller indicates the alarm will turn on if one of several things are set incorrectly or if there's a short in a valve. I've checked all of the settings and everything's fine there. Any ideas about what could be causing this problem? Is it likely to be an issue with the rain sensor or the controller? And a side question, if the rain sensor is signaling that there's been rain, should I be able to run the system manually without bypassing the sensor or should I expect to have to do that.

Thanks in advance for any help you can provide. We're leaving on vacation on Sat. and I'd really like to have the system working (and not wasting water either from the leak or running after it rains!)

This post has been edited 1 times, last edit by "ska" (Jun 21st 2012, 10:25pm)

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