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cassiedanger t1_j26en8v wrote

Reply to comment by Blecher_onthe_Hudson in Did your heating fail to keep your temp up last weekend when it was below 10 deg? by Blecher_onthe_Hudson

The thermostat was replaced twice but the issue initially was the pump was circulating the hot water to the radiators without ever shutting off? Honestly it’s been a mess.

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Blecher_onthe_Hudson OP t1_j26i1i3 wrote

That's bizarre, it's not that complicated! Thermostat closes a 24v switch and the relay in the boiler turns the pump on, opens and it goes off. If it's not the thermostat its the relay.

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