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Sunday, June 12th 2011, 12:37pm

4 of 5 stations turn on when I pressurize the system and won't turn off

Last fall everything was working perfectly. I had a company winterize my system. When I pressurize my system now, stations 2-5 turn on and remain on until I turn off the water supply. Station 1 will come on only if I turn it on at the control panel (normal function). I went to Home Depot, and they told me it was the sylinoids, so I replaced all 5 and wired them exactly the way they were, since the winterization did not rewire my system, and the same problem persists. What am I missing?


Supreme Member

Posts: 5,326

Location: Metro NYC


Sunday, June 12th 2011, 12:42pm

you might be missing that the zone valves were left mechanically 'open' after winterizing and they need to be returned to normal operating condition


New Member


Thursday, June 16th 2011, 8:09pm

How do you close a zone valve?

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