Power Head Not working

Old 10-28-04, 06:56 PM
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Power Head Not working

I have a 3 zone baseboard heating system. 2 of my zone valves have stopped working. If I remove the power head while still wired the curculator kicks in. If I leave the head attached and manually open the valve I hear the value open but the circulator kick in. What is going on?
Old 10-29-04, 08:47 PM
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Sounds like a Taco valve. If you take the head off with power applied, you most likely runied the valve. Possibly not if it is a gold head, but you probably should replace the heads. You may not have a large enough transformer but it only takes 40va for all 3 valves. Make sure the heat anticipators on the thermostats are set at .9 and if they don't open, replace them.


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