WIDE MODEL COMPATIBILITY - This replacement thermocouple is meticulously designed to fit a range of for Quadrafire and for Heatilator models, ensuring compatibility with for Castile Freestanding, for Castile Insert, for Contour, for Mt Vernon , for , and for Insert, as well as for Heatilator Models CAB50, for PS35, and for PS50. HIGH-QUALITY AFTERMARKET PART - Experience reliability with this top-quality aftermarket thermocouple designed to replace part number 812-4470. Its precision engineering guarantees effective fire monitoring and safe stove operation. ESSENTIAL FIRE MONITORING - The thermocouple plays a crucial role in stove operation. Monitoring fire's temperature after start-up allows stove to operate normally, feeding on its own. The thermocouple likely needs inspection or replacement if your stove experiences issues after initial cycle. EFFORTLESS INSTALLATION - Installing Replacement for Quadrafire Thermocouple 812-4470 is straightforward, ensuring minimal disruption to your heating setup. With clear instructions and precision engineering, you can confidently replace thermocouple and restore proper fire monitoring functionality to your for Quadrafire or for Heatilator stove. Colour:As Shown Material:Fiber Weaving Package Contents: 1 x Thermocouple Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.