Replacing the thermal fuse on a Thermador CT227 oven, which is manufactured by Bosch, involves a careful process. The thermal fuse is a safety component that helps protect the oven from overheating. Here's a step-by-step guide to help you with the replacement: 1. Safety First: Before starting any repair work, disconnect the oven from its power source to avoid electric shock. Turn off the circuit breaker or unplug the oven. 2. Access the Thermal Fuse: Open the oven door and remove any racks or trays that may obstruct access to the thermal fuse. 3. Locate the Thermal Fuse: The thermal fuse is usually located at the back of the oven, near the top or bottom. It is a small, rectangular or cylindrical device with wires attached to it. 4. Disconnect the Wires: Carefully disconnect the wires attached to the old thermal fuse. Take note of their locations or take a picture for reference. 5. Remove the Old Thermal Fuse: Unscrew or unclip the thermal fuse from its mounting bracket or holder. 6. Install the New Thermal Fuse: Align the new thermal fuse with the mounting bracket or holder and secure it in place with screws or clips. 7. Connect the Wires: Reconnect the wires to the appropriate terminals on the new thermal fuse based on your reference. 8. Replace Racks and Trays: Put the oven racks and trays back into their original positions. 9. Test the Oven: Turn on the power and test the oven to ensure the new thermal fuse is working correctly. The oven should heat up and function as expected. If you encounter difficulties during the process or are unsure about performing the replacement, it's best to seek assistance from a professional appliance repair technician. They have the expertise and tools to handle the replacement safely and effectively, ensuring your Thermador CT227 oven operates properly with the new thermal fuse.