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One thermostat sending heat to 2 zones.

Lorah740
Lorah740 Member Posts: 1
in Oil Heating
Why would one thermostat be controlling both zones in my home? I have one thermostat for downstairs and one for the 2nd floor. The downstairs one is the only one calling for heat but the upstairs is getting hot too. 

Comments

  • HVACNUT
    HVACNUT Member Posts: 6,456
    Can you post pics of the boiler and connected piping? Not too close.
    It's likely there's a flo valve or zone valve stuck open. 
    mattmia2
  • Lance
    Lance Member Posts: 310
    I am thinking the laws of physics are working here and not ohms law of electrical conflicts. Heat rises. So find the path and get control of it.

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