Usage Tips: Turn-ON gas valve with 8mm spindle shaft Safety main control valve with inlet, outlet, and pilot Low pressure 65mbar gas valve with thermocouple end M8*1 7/16-20UNF thread on outlet and M10*1 on inlet side M8*1 female thread on pilot port for 4mm copper or aluminum tube on pilot burner side Inlet thread: Female M10*1 (0.394 inch) Outlet thread: 7/16 inch-24UNC thread (0.429 inch) Low working pressure max 1/2 PSI (65mbar) Shaft for 8mm knob Suitable for gas patio heater and room space heater with pilot burner connection Compatible with outdoor propane patio heater, standing patio heater, tower glass tube heaters, table propane heater, Hampton Bay patio heater Please pay attention to the size of the interface when purchasing; check dimensions to avoid returns Color: Brass color Material: Brass Size: 11.5 cm Package contents: 1 x Heater main control valve 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. Measurement allowed error is +/- 1-3 cm