Chrome Metal Inlet Valve - Beam Central Vacuum U2000RBBW A retaining ring that has

A retaining ring that has worn or cracked lets the coupling loosen

as it did from the factory

Carbon brushes wear down steadily with use

the DUO can lose power at the head

It is the hinged panel that closes over the onboard attachment storage bay

Chrome Metal Inlet Valve - Beam Central Vacuum U2000RBBW A retaining ring that hasThis replacement chrome metal inlet valve is essential for your central vacuum system's wall connection points. Suitable for all Beam central vacuum systems and compatible with all central vacuum systems that use a standard back up plate. Damaged or worn inlet valves can cause suction loss and make it difficult to connect or disconnect your hose. Central vacuum inlets see frequent use every time you plug in the hose, and the valve mechanism can wear