Thermostat
1st Stage Heat 2nd Stage Heat
RC RH
G W/E Y C Y2 O/B/W2
Single Stage Heat / Two Stage Heat- Furnace / Boiler with C-wire
Thermostat
RC RH G W/E Y C Y2 O/B/W2
Combined Single Stage Heat and Single Cool Stage with C-wire （ Remove Pre-installed
Jumper ）
Cool Furnace and Air Conditioner
Thermostat
1st Stage
Heat
Emerg./AUX
Heating
2nd Stage
Heat
RC RH
G W/E Y C Y2 O/B/W2
Single Stage / Two Stage Heat Pump with Emergency Heat and Auxiliary Heat with
C-wire
10
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