[COMPATIBLE]: Inlet Thread: Female M10*1 (0.394 inch), Outlet Thread: 7/16 inch-24UNF Thread (0.429 inch), Turn-ON Gas Valve with 8 mm 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. Works 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. Thermocouple with high quality solid brass material and high temperature protective cover. Thermocouple wire 350 mm. Bakelite knob D shaft 8 mm, using ABS material, solid structure, durable. FD4 weak current tilt dump switch gas R less than 10 m. Patio Heaters. Wide range of compatibility. This propane gas control safety valve kit is made of high quality brass material for durability. NOTE: 1. Check whether the interface of your heating equipment matches the 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 accurate. 3. Make sure the thermocouple is well connected to the dump switch or valve. 4. If you loosen the knob, the gas valve closes again. Check that your thermocouple is always heating on the pilot flame. Turn on the gas and push the valve for 5-10 seconds until the thermocouple probe is heated. Color: As Shown. Material: Brass, Plastic. Size: 11.5 cm. Package Contents: 1 x Heater Control Valve, 1 x Coupler. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.