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Honeywell PRO 4000 Programmable 1 Heat/1 Cool Thermostat

  • Programmable Digital Battery-Powered Thermostat
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The PRO series provides programmable thermostats for 24 Vac conventional and heat pump systems or 750 mV heating systems. If used as directed, programmable thermostats can save up to 33% on annual heating and cooling costs. Savings may vary depending on geographic region and usage. FEATURES: Weekday/Weekend programming - 5-2 (Weekdays, Weekend) programming to fit your lifestyle. Backlit digital display - both current and set temperatures are easy to read in various lighting conditions. Precise comfort control (+/- 1º F) - maintains consistent comfort to the highest level of accuracy. Basic operation - easy-to-use slide switches allow you to select the heat or cool mode, and operate the fan. Built in instructions - simple, pull out instruction manual. Energy savings - program to save up to 33%* on annual heating and cooling costs. Adaptive Intelligent Recovery - ensures programmed temperature is reached by programmed time. 5-year limited warranty. SPECIFICATIONS: Description - Electronic Programmable Thermostat Application - Conventional and Heat Pump systems Programmability - 5-2 Day Program Changeover - Manual Color - Premier White Switch Positions (System) - COOL-OFF-HEAT Switch Positions (Fan) - AUTO-ON Terminal Designations - R, Rc, W, Y, G, O, B, 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 Frequency - 50 Hz Frequency - 60 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 - 1 Heat/1 Cool Sensor Element - Thermistor Heat Current - 0.02 A to 1.0 A running Cool Current - 0.02 A to 1.0 A running Operating Humidity Range (% RH) - 5 to 90% RH, non-condensing Display Size - 1.73 sq. in. Voltage - 20 to 30 Vac or 750 mV

Learn more about the Honeywell PRO 4000


PRO 4000


Programmable Digital Battery-Powered Thermostat

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

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