Suncourt DuctStat Plug-In Thermostat

The DuctStat Temperature Sensitive SwitchTM will turn a device on or off due to temperature rise or temperature fall from the user adjustable set point.

It controls various devices including fans, alarms, heat lamps, lights, and has an adjustable temperature range: 45°F (4°C) to 110°F (43°C). For indoor use only.