[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 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 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: 350mm. Bakelite Knob with D-Shaft 8mm, 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 Buy, Because the Product Is Not Universal; Heating Equipment Has Different Models of Interfaces. 2. When Installing, Please Ensure the Mounting Position of Each Part Is Correct. 3. Make Sure the Thermocouple Is Connected to the Dump Switch or Valve. 4. If You Loosen the Knob, the Gas Valve Closes Again. Please Check That Your Thermocouple Is Always Heated. Turn On the Gas and Hold 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 Coupler Only the Above Package Content, Other Items Are Not Included. Note: Light Reflection and Different Displays May Cause the Color of the Item to Appear Slightly Different from the Real Thing. Measurement Allowable Error Is +/- 1–3cm.