Fan and Limit Control, Application Fan and Limit Control, Mounting Plenum Mount, Contact Form SPDT, Switch Action Fan - Close on Rise, Limit - Open on Rise, Reset Type Automatic Reset, Fan Minimum Control Temperature 32 Degrees F, Fan Maximum Control Temperature 150 Degrees F, Limit Maximum Control Temperature 300 Degrees F, Limit Minimum Control Temperature 100 Degrees F, Differential Adjustability Adjustable, Maximum Temperature Differential Setting 25 Degrees F