Thermostat Wiring
Thermostat Wiring Diagrams! 10 Most Common!
Heat Pump Thermostat Wiring Explained! Colors, Terminals, Functions, Voltage Path!
Most Common Thermostat Diagrams
1 Heat / 1 Cool Thermostat
Furnace and AC
1 Heat / 1 Cool Thermostat
Furnace and AC
(color coded)
1 Heat / 1 Cool Thermostat
Furnace (No AC)
1 Heat / 1 Cool Thermostat
Air Handler and AC
Heat Pump Thermostat
Air Handler and AC
Heat Pump Thermostat
Air Handler and Heat Pump
Heat Pump Thermostat
Air Handler, Heat Pump, Electric Resistance
(Reversing valve powered in cooling mode)
Heat Pump Thermostat
Air Handler, Heat Pump, Electric Resistance
(Reversing valve powered in cooling mode, color coded)
Heat Pump Thermostat
Air Handler, Heat Pump, Electric Resistance
(Ruud and Rheem, reversing valve powered in heating mode)
1 Heat / 1 Cool Thermostat
Air Handler, AC separated from Furnace, Rc and R jumper removed
1 Heat / 1 Cool Thermostat
Air Handler, AC, and Boiler,
Rc and R jumper removed
750 Milli-Volt Thermostat
750 MV Thermopile and Gas Valve
1 Heat / 1 Cool Thermostat
Air Handler with Electric Resistance Heat and AC
Heat Pump Thermostat
Air Handler, Electric Resistance Heat, and AC