Thermostat for Heat Pump,NonProgrammable Thermostat for Home, Conventional Single-Stage Systems,2 Heat/1 Cool Heat Pump Or 1 Heat/1 Cool, Easy DIY Install, White Backlight


$23.59

Thermostat for Heat Pump,NonProgrammable Thermostat for Home, Conventional Single-Stage Systems,2 Heat/1 Cool Heat Pump Or 1 Heat/1 Cool, Easy DIY Install, White Backlight

Product Description

 STN621-White STN621-White

 STN621-White STN621-White

 STN621-White STN621-White

 STN621-White STN621-White

 STN621-White STN621-White

· High Compatibility: Heat pump multi-stage systems or conventional single-stage systems, Forced air (gas, oil or electric), Electric furnace, Hot water steam or gravity radiant heat, Heat only systems, Heat pump w/o or with auxiliary or emergency heat, Millivolt conventional systems, Gas fireplaces (24V), Floor or wall furnaces, Cool only systems.
· Not Compatible: Two transformer systems, Conventional multi-stage systems, Dual fuel/hybrid heating, Electric baseboard heat (110-240 volts), Line voltage, Convectors, Radiant-ceiling heat, Mini split systems and 12V RV systems.
· Easy to Install and Use: Large terminal blocks with universal sub-base, can be installed within 30 minutes, clear, easy-to-read backlight LCD display and easy controls make for a user-friendly experience.
· Dual Power Supply: Can be powered by 24VAC power or 2 AAA batteries, No common wire (C-wire) required on most systems (only required on heat only and cool only systems).
· Simple but Powerful Control: Easy-access front-load battery compartment, adjustable temperature differential (swing) for energy optimization and maximum system life, Support temperature

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