General description Gas Patio Heater Control Valve Thermocouple Sensor Dump Switch Knob is designed for propane gas heaters with thermoelectric safety features. This valve is suitable for various outdoor propane patio heaters, including standing patio heaters, tower glass tube heaters, and table propane heaters. Please note that it is not compatible with natural gas heaters. Technical specifications Inlet Thread: Female M10*1 (0.394 inch) Outlet Thread: 7/16 inch-24UNF (0.429 inch) Turn-ON Gas Valve with 8mm Spindle Shaft Pilot Burner Connection Thread: M8*1 Thermocouple Wire Length: 350mm Knob Material: ABS with a solid structure Dump Switch Resistance: ≤ 10 mΩ Overall Size: 11.5 cm Installation Ensure the mounting position of each part is accurate during installation. Verify that the thermocouple is properly connected to the dump switch or valve. If the knob is loosened, the gas valve will close again. Usage Before use, check that the thermocouple is always heated by the flame. To