Non-Programmable Heat Pump Thermostat For Home Up To 2 Heat And 1 Cool

Approach With Caution Buyers Should Carefully Review The Detailed Installation And Wiring Instructions In The Images Before Making A Purchase. It Is Advisable To Proceed With Caution If You Do Not Have Prior Installation Experience To Prevent Issues Such As Malfunction And Incompatibility Due To Purch S721 Non-Programmable Heat Pump Thermostat For Home, Up To 2 Heating And 1 Cooling Multi-Stage Systems.
Compatible With Heat Pump Systems (With Aux Or Emergency Heat) And Heat Pump (Without Aux) Systems. Compatible With Most 24V Conventional Single-Stage Systems (I.E. Conventional Force Air, Central Gas, Oil, Or Electric Furnaces Single-Stage Systems ) Up To 2 Heat 1 Cool.
Not Compatible With 110-240V Electric Heat Systems (Like Electric Baseboard Heat, Line Voltage, Convectors, Radiant-Ceiling Heat). - Does Not Work With Conventional Multistage Systems, Mini Split Systems And 12V Rv Thermostats.
Dual 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).
Easy-To See And Read: Display With Blue Backlight, Large Clear Backlit Digital Display, Very Suitable For Middle-Aged And Elderly People.
Technical Support: Separate Heat Or Cool Swing Set Up (0.2°F To 2°F) And 5 Minute Compressor Delay Protection (Selectable On Or Off). Digital Thermostat Has A Built-In Battery Change And Filter Change Reminders (Set 50-2000 Hours).