Regulator Excela Flo Changeover MEC Automatic RV Not Cordless Not Cordless SAVE TIME with the freshly installed digital product key for Windows 10 operating system Type: Two Stage Max Inlet Pressure: 250 PSI Inlet Connection: 1 4" Female Inverted Outlet Connection: 3 8" FNPT Exterior Finish: Raw Zinc Powder Coat Diaphragm: Reinforced Molded with O Ring Bonnet Body Seal Diaphragm Type: Internal Relief Spring Loaded Bonnet Body Material: Die Cast Zinc Listings: UL LISTED UL 144 Mounting Holes: 3 1 2" On Center Pressure Taps: 1 8" FNPT Plugged