[COMPATIBLE]: Inlet Thread: Female M10*1 (0.394 inch), Outlet Thread: 7/16 inch-24UNF (0.429 inch), Turn-ON Gas Valve with 8 mm Spindle Shaft, Pilot Connection Thread: M8*1 (Valve is for low pressure only). Control Valve and Coupler Suitable for Propane Gas Heaters with Thermoelectric Safety. Works with Outdoor Propane Patio Heaters, Standing Patio Heaters, Tower Glass Tube Heaters, Table Propane Heaters, and Patio Heaters. Not Suitable for Use with Natural Gas Heaters. Propane Gas Valves Are Made of High Brass with Heavy Duty Construction for Safety and Durability. Thermocouple with High Solid Brass Material and High Temperature Protective Cover. Thermocouple Wire Length: 350 mm. Bakelite Knob with D-Shaft 8 mm, Made of ABS Material, Solid Structure, Durable. FD4 Weak Current Dump Switch, Gas R Less Than 10 m. Wide Range of Compatibility. This Propane Gas Control Safety Valve Kit Is Made of High Brass Material for Durability. NOTE: 1. Please check whether the interface of your heating equipment matches the product you are purchasing, as the product is not universal and heating equipment may have different interface models. 2. During installation, ensure each part is mounted in the correct position. 3. Ensure the thermocouple is properly connected to the dump switch or valve. 4. If the knob is loosened, the gas valve will close. Keep the thermocouple heated. Turn on the gas and hold the valve open for 5–10 seconds until the thermocouple probe is sufficiently heated. Color: As Shown in Picture Material: Brass, Plastic Size: 11.5 cm Package Contents: 1 x Heater Control Valve 1 x Coupler Only the above package content is included; other items are not included. Note: Light reflection and different displays may cause the color of the item to appear slightly different from the actual product. Measurement allowance is +/- 1–3 cm.