Single Stage Pressure Regulating Valve, 24Vac, 1", LP Gas, 8.8"-11.5" Water Column High Fire Regulator Setpoints, 10" Water Column Factory Setting, 195-650 Cfh Capacity, 3-25 Second Valve Opening Time, 2 Second Max Valve Closing Time, 1/8" NPT Pilot Tapping, 1/2 Psi Pressure Rating, Upright Horizontal Mounting, Slow Opening, 5/16" UNF Bleed Tapping, Aluminum Body, Two 30" Leadwires