Heat Cool Thermostat Wiring - I have a rheem split system and want to use a honeywell rth6400 thermostat...is this possible ... / Thermostat goes bad, you can use the system in the heating cycle by tying the red wire, the yellow wire and the green 1:37 they actually shifts back and forth one energizes on heat one energized don't cool and just so you know the industry standard.
Heat Cool Thermostat Wiring - I have a rheem split system and want to use …
Tuesday, May 4, 2021
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