Furnace 24 volt transformer.
Trane furnace control board wiring.
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Collection of gas furnace control board wiring diagram.
More buying choices 181 74 2 used new offers trane cnt05165 cnt 5165 oem single stage integrated furnace control.
It shows the parts of the circuit as simplified forms and the power as well as signal links between the devices.
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The transformer steps down 120 volts to the 24 volts the thermostat needs and sends out the 24 volts on two wires.
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A wiring diagram is a simplified conventional photographic depiction of an electric circuit.
The two 24 volt wires go to the r terminal and c terminal inside the thermostat.
Oem upgraded replacement for trane furnace control circuit board cnt1308.
Trane control circuit board cnt07991 trane 2 stage variable speed main control circuit board p n cnt07991 replaces p n cnt06017 cnt06585 d343687p02 59 4760 50v4 571 genuine trane american standard parts shipping rate for continental united states.