Honeywell Honeywell Heat/cool Manual Thermostat, Mercury-free, 4-wire

A manual, mercury-free thermostat for controlling central heating and cooling systems.

Specifications

• 4-wire design
• Compatible with central gas or oil heating, electric furnaces, and central electric cooling
• Works with heat pumps without auxiliary heat
• Temperature control accuracy of plus or minus 1.5 degrees
• Mercury-free
• 1-year limited warranty