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Old zone valves
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Tinman
Member Posts: 2,808
Comments
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Looks like a precursor to the Gold series. Surprised they worked!Serving Northern Maine HVAC & Controls. I burn wood, it smells good!0
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You’re right. 3 wire, heat motor. #2 sharing end switch and motor. I had repaired an internal wire on valve last winter and suggested replacing all of them when I replaced the boilers as a preventative measure. 57 years is quite a run for a zone valve.Steve Minnich0
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I guess the wax motor type valve, proved to be very reliable in this case.Serving Northern Maine HVAC & Controls. I burn wood, it smells good!0
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