Central Vacuum Wall Plate: ?????? ???????????????? Central Vacuum Inlet Valve 775595V3W, For Nutone Central Vacuum Cleaner White Automatic Inlet 330W,. 2 Pack Inlet Valve As Pictured | | Central Vacuum Installation Parts: The Inlet Has A Durable Plastic Construction And Is Compatible With All Direct Connect Hoses, It Is A Low Voltage Inlet And Accepts Most Universal Style Low Voltage And Straight Suction Central Vacuum Hoses.- Note: It Will Not Work With Electrical Direct Connect Hoses, Sears/Kenmore Hoses, And Budd Hoses. | | Product Function: This Inlet Requires A Standard Mounting Bracket (Sold Separately) For New Installations. It Can Also Be Used To Replace The Face Of Old Universal Style Standard Inlets For A New Fresh Look. Hose Compatibility - This Inlet Is Compatible With The Following Hoses: Ch515, Ch230L 37. - Limited Function, Suction Only, Non-Powered | | Easy To Install: Central Vacuum Wall Plate Cover, Installed With Cf329 Mounting Bracket, Or Ci3301Rk Or Ci33.