[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 Thermocouple Suitable for Propane Gas Heaters with Thermoelectric Safety. Works with Outdoor Propane Patio Heaters, Standing Patio Heaters, Tower Glass Tube Heaters, Table Propane Heaters, Hampton Bay Patio Heaters. 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 Length: 350mm. Pilot Burner Connection Thread: M8*1 (The valve is for low pressure only). Bakelite Knob with D-Shaft 8mm, Made of ABS Material, Solid Structure, Durable. FD4 Weak Current Tilt Dump Switch. Gas R Less Than or Equal to 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. Please Check Whether the Interface of Your Heating Equipment Matches Our Product Before Purchase, as the Product Is Not Universal and Heating Equipment Has Different Models of Interfaces. 2. When Installing, Please Ensure the Mounting Position of Each Part Is Accurate. 3. Ensure the Thermocouple Is Properly Connected to the Dump Switch or Valve. 4. If You Loosen the Knob, the Gas Valve Closes Again. Please Confirm the Thermocouple Is Continuously Exposed to the Flame. Turn on the Gas and Press the Valve for 5–10 Seconds Until the Thermocouple Probe Is Heated. Color: As Shown in Picture Material: Brass, Plastic Size: 11.5cm Package Contents: 1 x Heater Control Valve 1 x Thermocouple 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 Differ Slightly from the Real Thing. Measurement Allowable Error Is +/- 1–3cm.