[COMPATIBLE]: Inlet Thread: Female M10*1 (0.394inch), Outlet Thread: 7/16inch-24UNF Thread (0.429inch ), Turn-ON Gas valve with 8mm Spindle Shaft, Pilot Burner Connection Thread: M8*1 ( The valve is for low pressure only). Control Valve and Coupler Suitable for Propane gas heaters with Thermoelectric Safety, Work with outdoor propane patio heater, standing patio heater, tower glass tube heaters, table propane heater, bay patio heater. Not suitable for use with Natural Gas heaters. Propane Gas valves are made of high quality brass with heavy duty construction for safety and durability Inlet Thread: Female M10*1 (0.394inch) Outlet Thread: 7/16inch-24UNF Thread (0.429inch ) Thermocouple with high quality solid brass material and high temperature protective cover. Thermocouple wire total 350mm Pilot Burner Connection Thread: M8*1 ( The valve is for low pressure only). Bakelite knob D shaft 8mm, using ABS material, solid structure, . FD4 weak current tilt dump switch gas R less than equal