1F85U-42NP White Rodgers

Non Programmable T-Stat 20-30Vac Hardwire or mV-30Vac Battery, Non-Programmable, 2 Heat/2 Cool Conventional or 4 Heat/2 Cool Heat Pump, 45-99 degree F Setpoint, 80 Series Universal Staging/Heat Pump Electronic Thermostat with Auto Changeover, Dual Fuel Control, and Keypad Lockout Replaces part # 1F83-0471 works with 3 wire zone valve