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Am i hooked up right?

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nuttybolts
nuttybolts Member Posts: 4
in Radiant Heating
Im not getting enough heat. I have a gas water boiler slant fin radiant heat system with 2 zone valve. Please tell me if i have thermostat hooked up correctly? There are only 3 wires comming to it

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  • Ironman
    Ironman Member Posts: 7,376
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    Probably not. The third wire should probably be on the “C” terminal, but we need to see how it’s connected on the other end.
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.
    nuttybolts
  • nuttybolts
    nuttybolts Member Posts: 4
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    Thanks Bob what do i need to check Zone valve wiring?
  • nuttybolts
    nuttybolts Member Posts: 4
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    Another pic of wiring in boiler
  • nuttybolts
    nuttybolts Member Posts: 4
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    Which wire should i take off and put on C
  • unclejohn
    unclejohn Member Posts: 1,833
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    Big difference between no heat and not enough. First did you change any of the wires at the tsat or valve or boiler?
    rick in Alaska

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