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E3 Series universal thermostats are easy to install, easy to program, and easy to operate, taking the stress out of getting confortable.


  • Terminations: Rh, RC/R, Y, G, W, L, O, B, AE/W2, Y2, C, A
  • Freeze protection
  • 3 year warranty
  • System powered, or battery powered (2AA, included)
  • Battery backup
  • Permanent memory
  • Filter monitor
  • Screwless terminals
  • Blue backlikght
  • Built-in level bulb
  • Break-away guides for less common terminals
  • Easy Installation
  • Color coded wire terminals
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Compressor Protection: 3.5 minute, delay on break
Operating Differential: ± 1° (°F or °C)
Temperature Range: 45°F to 95°F (6°C to 35°C)
Current Draw: .1 to 1.5 A
Voltage: 20 to 30 VAC
Air/ground/hydro exchanger
Heat pumps w/ electric/gas/oil auxiliary
Hot water motor & solenoid valves
Hot water gravity and zoned
Electric heat
Gas and oil fired boilers
Gas standing pilot & electric ignition
2 Heat / 2 Cool Systems
SDS Product Sheets Cross Reference Information
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Manuals Application Sheets Software
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