“Does this thermostat work with a 2 wire heat only system?”

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• Yes but you have to buy a 24V power supply to power it. I bought this one. https://www.amazon.com/gp/product/B081LCKRNV I plugged it in in the basement and ran the wire up the wall with the 2 control wires. You connect them to RC and C and remove the jumper between R and RC. The 2 wires you have go to R and W.

  Answered by Frazank 4 years ago

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