This wood stove thermostat switch adopts a bimetallic snap disc structure, a classic snap action temperature switch that automatically closes to start the fireplace blower fan when the surface temperature of the wood stove or fireplace reaches 100°F (±5°F), and opens to stop the blower when the temperature drops to 85°F (±5°F). It realizes automatic temperature control without manual intervention, avoiding cold air blowing out, and is suitable for home wood burning stoves, workshop wood heaters, RV camper outdoor wood stoves and small pellet stoves (without built-in temperature control), perfectly matching wood heater thermostat switch for blower fan need The fireplace blower thermal switch is made of high-temperature resistant metal shell and copper alloy contacts, with a maximum temperature resistance of 350°F and a service life of more than 100,000 operation cycles, meeting high temperature wire thermostat for wood stove standards. It supports two installation methods: magnetic mount (suitable for iron/cold-rolled steel stoves, suction ≥2kg) and flange mount (suitable for cast iron/304 stainless steel stoves, with attached M4 stainless steel screws), a no-drill wood stove thermostat switch that can be installed within 10 minutes, no professional tools needed This snap disc thermostat is a universal wood stove blower thermostat switch, compatible with most wood stove and fireplace blower kits, fit for Heat N Glo, Heatilator, Napoleon, Majestic, Jotul, Quadra-Fire, Solo Stove and other mainstream brands. It can directly replace the original snap disc thermostat, with applicable replacement part numbers: SD100-85, TS10085, WST100, FBT100-85, serving as a perfect replacement thermal switch for fireplace blower. It is suitable for 120VAC/240VAC dual voltage, compatible with blowers with power ≤120W, matching 18/20AWG standard high-temperature wires In addition to home wood burning stoves and fireplaces, the wood burning stove temperature control switch is also suitable for greenhouse wood-burning heaters, outdoor work shed courtyard stoves, small solid wood furniture drying rooms (heated by wood stoves), pellet stove blower thermostat switch (low-power models) and RV camper wood stove thermostat switch scenarios. It is important to note that it cannot be installed on flue pipes, open flame direct areas or liquid heating equipment, and is only suitable for single-speed blowers (needs to be connected in series with a governor for variable-speed blowers), complying with wood stove fan limit switch 100-85°F usage norms The normally open (NO) wood stove fan thermostat, a bimetallic disc temperature switch, has electrical ratings of 125VAC/10A and 250VAC/25A (125VAC/10A 250VAC/25A thermostat switch), which can safely control the operation of the blower fan. The package includes 1 magnetic snap disc thermostat, 1 section of high-temperature wire, 2 wiring terminals and 2 flange mounting screws, no additional adapters or accessories need to be purchased. It is connected in series between the power supply and the blower, with firm wiring and safe use, matching the needs of automatic fireplace blower switch 100°F On Smart Snap Disc Thermostat Control – This snap disc thermostat switch automatically turns ON your fireplace blower fan at 100°F (±5°F) and OFF at 85°F (±5°F), ensuring efficient heat distribution without manual adjustments Durable & Long-Lasting – Built to withstand over 100,000 operations, this snap disc thermostat switch provides reliable performance for years in high-heat environments High-Temperature Resistant – Rated for conditions up to 350°F, this heat sensor switch for fan is ideal for fireplaces, wood stove thermostats, and other heating equipment Safe & Certified – UL Approved for 250VAC & 25A resistive loads, ensuring safety for use with Buck Stove thermostats, furnaces, and more Wide Compatibility – Perfect for fireplace fans, wood stove fans, greenhouse cooling, RV fridge fans, solar heaters, and wall/floor furnaces