“Is this compatible with the wiring for the thermostat I need to replace which controls my heat and A/C, a Totaline P310?”
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Hi Marianne, I'm no expert but it appears your Tstat has batteries, mine did too, the Honeywell does not have batteries and relies on the 24 volts supply from the Furnace circuit board. There also needs to be a spare wire in your wire loom to the T-stat. Mine had this so I just connected it to the t-stat and the furnace circuit board. There was a wiring diagram int the furnace compartment that told which connector was the constant 24 volts supply. Hope this helps and please read all directions carefully. You are responsible for your own connections. Good luck!
Sorry, there was a problem. Please try again later.It depends on how the current thermostat is being powered. If it is hardwire powered (meaning it is powered by the HAC unit) it definitely will replace it. If it is powered by batteries then you will need to see if the thermostat wiring contains a blue wire which may or may not be hooked up. If there is a blue wire in the bundle of wires between the thermostat and the HAC unit, then the Honeywell thermostat is compatible.
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