Features: Ensures your Quadrafire or Heatilators stove operates smoothly with this aftermarket replacement thermocouple 812 4470, designs to fit a variety of models including Castile. This thermocouple is craft from plastic materials to reliably monitors the fire after start up, allowing your stove to feed automatically in normal operations. For homeowner who own Quadrafire or Heatilators stove and need replacement part to maintain optimals performances and safety. For use in residential setting where maintaining consistent heating through your stove is practical, especially during colder months. Avoid unexpected shutdowns and enjoy uninterrupted warmth by replacing your faulty thermocouple, ensuring your stove functions efficiently and effectively. Specifications: Component: Plastic Color: As Picture Show Size: Length 15cm/5.91inch Package Includes: 1pc Thermocouple Replacement note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.