Parameters 1177 High Limit Switch Thermostat has a temperature limit of 232C 450F, a probe length of 3.62 inches (92 mm), and a limit switch wire length of 31.5 inches (800 mm). The heat probe probe mounts to the backbone of the gas fryer through the 3/8"-18 NPT thread.Easy Installation The Fryer High Limit Switch is a replacement for the same switch on the fryer that needs to be replaced and can be installed without any special tools.High Quality Thermostat high limit safety is made of high quality material, durable, protects the fryer while controlling the oil temperature better, reliable performance.Compability Thermostat high limit safety for fryer compatible with 1177 high limit thermostat fryer switch, replacement for IF series, IF-BL series, IF-COUNTER series gas fryers. Replacement for Imperial Fryer Series: IF, IF-BL, IRFS IFS, IFS-40, IFS-50 IHR, IR. American Range Fryer A10007 AF35/40, AF35/50, AF45. AF 2545, ANETS fryer, Tri-Star Fryer, LCCM080360000.Function 3/8"-18 NPT 1177 Gas Fryer High Limit Safety Shutoff Thermostat is a safety device for your fryer that not only saves energy, but increases efficiency at the same time. If the temperature exceeds the set point, a contact will open and shut down the unit to prevent the fryer and heat exchanger from overheating, thus preventing the oil from catching fire!