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lefos123 t1_ix8icjr wrote

Reply to comment by WeaknessNegative392 in Replacing 120v thermostat by WeaknessNegative392

I wish you luck on this one. Not sure what is up though. Our house is New England 1975. Same heating setup. And it’s 24v. We do have a 120v thermostat but that’s for electric baseboard heat in a bonus room.

So when whoever installed this originally. I’m surprised they went 120v

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assholetoall t1_ix8p020 wrote

Confirming the New England houses I've lived in from the 40s, 80s and 90s all used forced hot water from a boiler with a 24v AC control system which includes the thermostat.

Two did also have electric baseboard that ran on 240v, but it was very separate from the 24v system.

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