- Easy to install and use.
- Compatible with heat and cool systems.
- Fan Control - Set fan to run automatically with system or constantly on.
- Mercury Free.
- Includes mounting hardware and wall plate.
The Honeywell CT31A1003/E heat and cool thermostat has low voltage controls with a snap-action switch for heating and cooling systems. Does not require leveling and is mercury free. Simple, worry free operation. Dual temperature scale (F + C).