Key benefits Provides fast and reliable flame sensing to enable quick valve actuation, improving safety and control for gasfired appliances. Universal thermocouple design with a total length of 600 mm fits a wide range of installations and configurations. sensitivity probe delivers rapid temperature sensing with stable performance. Easy mounting with standard fixing and connection: head fixing thread size M8 x 1 fixed by a nut, and end nut size M8 x 1 to connect the valve. Operational guidance included: the head needs to be heated during use; if sensing stops, readjust the tip location. Specifications Total length: 600 mm Thermocouple for gas flame with speed and stable performance Output voltage: greater than 20 mV Open valve time: less than 10 seconds Head fixing thread size: M8 x 1, fixed by nut End nut size to connect valve: M8 x 1 Head heating required during operation Tip location adjustable to maintain sensing accuracy Applications Gas fireplaces and fireplace inserts that require reliable flame sensing and fast valve response Gas stoves, ranges, and ovens with thermocouple safety systems Outdoor grills and other gasfired burners where quick flame sensing and valve actuation are beneficial Replacement thermocouple for service and maintenance of gas appliances requiring accurate flame detection and rapid response