Honeywell YCT87K1003

A non-programmable thermostat provides simple control of your heating and cooling system. Set it to the temperature you want and adjust it up or down as desired. Classic round style. Decorative cover ring. Mercury free. Works with gas or oil, hot water and steam. Works on 24V gas fireplaces. Not for use on heat pumps. Single and multi stage heating and cooling or millivolts/ fireplaces. Not for electric baseboards.