Selection Guide

Precise • Quality • Reliable • Innovative
E3 Series Universal Thermostats
Easy to Install - Easy to Program - Easy to Operate
With a 5 minute installation, real-life programming and simple operation, these thermostats take the stress out of getting
comfortable. With conventional and heat pump compatibility built-in, even selecting the right thermostat is simple.
All E3 Series are Compatible With:
• 2 heat / 2 Cool Systems
• Gas Standing Pilot and Electric Ignition
• Gas and Oil Fired Boilers
• Electric Heat
• Millivolt
• Hot Water Gravity & Zoned
• Hot Water Motor Valves (3-wire)
• Hot Water Solenoid Valves (2-wire)
• Heat Pumps with Electric / Gas / Oil Auxiliary
• Air / Ground / Hydro Exchanger
Specifications
• 20-30 VAC
• Current Draws 0.1 to 1.5 amps
• Temperature Set and Control Range
45°F-95°F (6°C-35°C)
• Operating Differential +/-1°
• Compressor Protection: 3-5 min. Delay on Break
• Terminations: Rh, RC/R, Y, G, W, L, O, B, AE/W2, Y2,
C, A
Easy Installation Features
• Color Coded Wire Terminals
• Built-in Level Bulb
• Break Away Guides for Less
Common Terminals
• Screwless Terminals
Home Today Override keeps comfort level
on those odd days when occupants are
home during “Away” period
Save Away Override allows for energy
saving settings when occupants are away
during “At Home” period
Away/Asleep/At Home
user interface simpli es
program periods
Energy Guide
gives instant
feedback when
programming
Easy to Program & Operate Features