Questions tagged [zone-valve]

5 questions
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Likely cause of heater being stuck on?

Our house has baseboard heat that is split in to about 10 zones (one per room). A few days ago, one room (the master bedroom) has been stuck on, making the room much too hot. The wall thermostat shows the correct room temperature and the set point…
Doug
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3 answers

Removing baseboard heater/heating loop and purging air

I need to rip a baseboard heater out: the cabinet, the copper piping, everything. There is no longer a need to heat that room (reasons: outside the scope of this question). This is fuel oil with an oil burner that moves hot water through copper…
hotmeatballsoup
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Is this flow regulator installed correctly?

I’m trying to understand my hydronic heating system so that I have a better grasp of how it works and is supposed to work. I think I’ve got it down, but then I was wondering about a flow check valve and if that is installed correctly. In the…
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Do I need to replace my radiant heat systems zone valve motor?

My heat will get stuck open or stuck off sometimes. I traced the problem to the zone valve and found that it sticks. I can remove the motor (when power is off) and the switch will close the valve again as soon as motor is popped off. I can…
Jefferson
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Why does one of my zones stay on all the time?

I have six zone valves that work fine and one that stays on 24/7. I have replaced the upper motor and the lower black ball, in addition to replacing the thermostat. None of that made a difference. The heat runs relentlessly. What else could be going…