[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 durabilityInlet 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 350mmPilot 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 mPatio HeatersWide range of compatibilityThis 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 accurate3. 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 . Turn on the and push the valve for 5-10 seconds until the thermocouple probe is heated.Colour:Photo ColorMaterial:brass, plasticSize:11.5cmPackage Contents:1 x Heaters Control Valve1 x CouplerOnly 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.