***This thermostat is only compatible with electric heat pumps***

---

Honeywell’s PRO 4000 offers a basic thermostat with the benefits of energy savings.PRO 4000 features an easy-to-read display

and 5-2 day programming. Best of all, it’s by the Honeywell name.

---

backed

Description Electronic Programmable Thermostat Application 2 Heat / 1 Cool Heat Pump Programmability 5-2 Day Program Changeover Manual Color Premier White® Switch Positions (System) COOL-OFF-HEAT-EM. HEAT Switch Positions (Fan) AUTO-ON Power Method Battery or Hardwired Terminal Designations R, Y, AUX, E, G, O, B, L, C Dimensions (in.) 3 13/16 in. High X 5 3/8 in. Wide X 1 1/4 in. Deep Dimensions (mm) 97 mm High X 137 mm Wide X 32 mm Deep Mounting Horizontal Electrical Ratings 20 to 30 Vac or 750mV Frequency 60 Hz;50 Hz Operating Temperature Range (F) 32 F to 120 F Operating Temperature Range (C) 0 C to 48.9 C Setting Temperature Range (F) Heat: 40 F to 90 F; Cool: 50 F to 99 F Setting Temperature Range (C) Heat: 4.5 C to 32 C; Cool: 10 C to 37 C Differential Temperature (F) ± 1 F Differential Temperature (C) ±0.5 C Stages 2 Heat/1 Cool Sensor Element Thermistor Currents (Heating) 0.02 to 1.0 A running Currents (Cooling) 0.02 A to 1.0 A running Operating Humidity Range (% RH) 5 to 90% RH, non-condensing