Diaphragm Gas Valve, 2", 4178 Cfh Capacity, 1 Psi Pressure, 24Vac, Straight Through, 6" Leadwires, 1/8"-27 NPT Pilot Tapping, Upright Horizontal Mounting, 1/8"-27 NPT Bleed Tapping, 5 Second Maximum Valve Opening Timing, 2 Second Maximum Valve Closing Timing, 32-125 Degree Operating Temperature Range, Aluminum Body, Natural Gas, LP and Manufactured Gas