Central Vacuum Inlet Valve with Round Door (White) - 791500W, 791500WNL

Central Vacuum Inlet Valve with Round Door (White). Part no # 791500W , BI-9225-1. Works with brands like Imperium, NuTone, Beam, Honeywell, HP, Vacuflo, Royal, ,Dirt Devil, Husky, Electrolux, etc

This has two screws at the backs where you connect the two low voltage wires.