Low temperature, garage, nonprogrammable thermostat. Low temperature scale from 35 deg. F. to 85 deg. F. Ideal for garages or out buildings where you only need to heat just above freezing. Simple slide switch operation. Precise temperature control. Mercury free. Heat only with positive Off. Compatible with gas or oil furnace, hot water systems with or without pump, and central heating systems. Recommended for use in garages and out buildings only. Does not work with line voltage systems (120V-240V), multi-stage systems or heat pumps with or without auxiliary heat. White.