Zone not working/no heat demand when theromostat is on
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Zone not working/no heat demand when theromostat is on
I'm having a problem with a zone in my house. When the thermostat is turned up there is no heat demand registering on my Tekmar Control and that zone is not getting any heat. I have a Burnham gas boiler. I have four zones in the house the other three are working fine. This one is on the 2nd floor of the house. I took the Honeywell thermostat off the wall, cleaned it, crossed the white and red wires and still no heat demand so I don't think it's the thermostat. I've manually opened the zone valve to get some heat in the upper part of my home. Any ideas what it could be? Thanks.
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The cooling in your particular system uses a separate transformer so you can have one without the other. It's still not a definite that you have 24v there just by testing your cooling circuit.