Thermocouples are used in a variety of appliances such as boilers, hobs, cookers and gas fires. These are thermoelectric temperature sensors, which create a small electrical voltage to control an electromagnetic valve, keeping it open and if it loses its electromagnetic current, it will shut off. The super universal thermocouple comes with multiple threaded nuts for use in a wide range of appliances. They are compatible with clamp-in, push-in or screw-in type pilot burners. Features & Benefits: - Multiple fittings to suit different appliances (SUTC) - Strong and malleable copper tubing - Fits 90% of all gas appliances Suitable for: - Hobs - Boilers - Cookers - Gas fires Alternative Codes: UTK / UTC