Easy to Install: Connecting type: Spiral type and two pole plug in. Easily mounts to pilot assemblies on fireplaces, frying and heating equipment, and quickly and easily mounts to propane tanks and gas cylinders without additional tools. Replacement Part: This thermopile thermocouple is a replacement for fireplace pilot assemblies with an internal resistance (25℃) of approximately 4000 mΩ and a heating voltage above 750 mV. Thread Size: 7/16 inch. Probe Length: 65 mm (. 2.56Inch). Probe diameter: 9 mm. Overall length: 900 mm (. 35.43 in) Replacement Models: This thermocouple is designed to replace the following part numbers: 60125501, 5009611, 5009622, 3509612, 5009612, 5009621, 3509611, 3509622, 3509621, 2509612, 2509611, 2509622, 2509621. Heat : The gas fryer thermocouple is made of solid copper wire with a metal wrap, which effectively protects it from interference and allows for faster and more accurate temperature transfer and a of temperature resistance. Wide Compatibility: The thermocouples are compatible with a wide range of gas appliances that use millivolt control, including gas fryers, gas pizza ovens, and can also replace thermocouples in , ovens, fireplaces and cookers.