[COMPATIBLE]: Inlet Thread: Female M10*1 (0.394inch), Outlet Thread: 7/16inch-24UNF Thread (0.429inch), Turn-ON 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 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 heaters. Propane 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 350mm Pilot Burner Connection Thread: M8*1 (The valve is for low pressure only) Bakelite knob D shaft 8mm, using ABS material, solid structure, durable FD4 weak current tilt dump switch R less than 10 m Patio Heaters Wide range of compatibility This propane control safety valve kit is made of high quality brass material for durability NOTE: 1. Check whether the interface of your heating equipment matches product you buy, because the product is not universal, heating equipment has different models of interfaces 2. When installing, make the mounting position of each part is accurate 3. Make the thermocouple is connected to the dump switch or valve 4. If you loosen the knob, the valve closes again. Check that your thermocouple is always heating on the flame. Turn on the heater and the valve for 5-10 seconds until the thermocouple probe is heated Colour: Photo Color Material: Brass, Plastic Size: 11.5cm Package Contents: 1 x Heaters Control Valve 1 x Coupler Only the above package content, other are not included Note: Light reflection and different displays may cause the color of the item in the image to be a little different from the real thing. The measurement allowed is +/- 1-3cm