General description Control valve and thermocouple sensor set designed for propane gas heaters with thermoelectric safety features. This kit is compatible with various outdoor heating appliances, including patio heaters, freestanding heaters, propane table heaters, and bay window heaters. It is important to note that this product is not suitable for natural gas heaters. Technical specifications Inlet thread: M10 x 1 (0.394 inch) Outlet thread: 7/16 inch-24UNF (0.429 inch) Gas valve with 8mm stem Pilot burner connection thread: M8 x 1 (low pressure only) Thermocouple length: 350mm Material: High quality brass and ABS plastic Knob material: Bakelite Size: 11.5cm Installation Ensure the interface of your heating equipment matches the product before purchasing, as it is not universal. During installation, verify that the position of each part is accurate. Make sure the thermocouple is firmly connected to the switch or relief valve. If the knob is loosened, the gas valve will close. Usage