December 28, 2022 Add as a preferred source on Google Add as a preferred source on Google Something that’s often neglected, even by proactive folks who actually check on the heat before the first ...
Is it because the old twist-knob was a "4-wire" thermostat that cuts power completely while the new RLV3120A is a "2-wire" thermostat that doesn't? I'm an electrical engineer but this is my first time ...
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