This 27.5" gas fireplace thermocouple can be used for health & home gas stoves and fireplaces. EASY INSTALLATION: This gas log thermocouple is easy to install. Please keep the head to be heated when using or it may not work properly. PREMIUM QUALITY: The material of thermocoupler is copper, with firm construction for durable use. HIGH TEMPERATURE RESISTANCE: The power of thermal coupler is natural and propane gas. The temperature resistance can get over 700 degree centigrade. WARRANTY: This fireplace thermocouple complete with 1 - Year limited warranty, should be there any question, please feel free to contact us. Specifications: Temperature Resistance: Over 700℃ M11x1 head and M10x1 end Thermocouple Length: 700 mm Overall Length: 27.5" Packa.