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Tuesday, June 14th 2011, 12:36pm

Zone continuosly on.

Zone 5 in my system stays on when the system clock is in the OFF position, and when other zones are on. I have replaced the valve twice, and zone 5 still stays on all the time. I also identified all the other zones, and zone 5 is the zone (valve) that is always open. Can anyone help ... the only thing I can think of now is maybe the clock needs to be replaced ... Dandy


Supreme Member

Posts: 5,298

Location: Metro NYC


Tuesday, June 14th 2011, 2:28pm

Unplug the clock, and you will learn whether it is the problem - then you make absolutely bet-your-life-on-it certain that you have correctly identified the problem valve.

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