Overview Product Description 36T2211819 Fireplace Blower Thermal Switch, Fireplace Blower Thermostat Temperature Switch Fan Gas Wood Control Replacement Fireplace Blower Thermostat Switch. This can be added to any of the furnace/fireplace unit that do not come with this switch, or be replaces by a current switch that has gone bad. Simply place it in line with the power, mount the switch on the housing so that will allow the fan to come on, as the fireplace gets hotter and will also turn it off as it cools down. The switch will automatically reset itself and be ready for the next fire. This switch is compatible with any and all fireplace blowers and for many other applications. -113 F or 45 C -Normally Open -Auto Reset -120 Volts -15 amp Cross Reference 19-SF2-115 (mounting holes may be different, however the temperature ratings are the same. If mounting holes are not an issue this works exactly the same) Product Videos Custom Field Product Reviews