VacuMaid SR46 Filtered Central Vacuum Power Unit, 9,500 Sq Ft, 663 AW

VacuMaid rates the SR46 at 663 air watts and builds it for larger homes topping out around 9,500 square feet. That places it above the SR36 and SR14 in VacuMaid's lineup, sized for the longer pipe runs and higher inlet count that come with a bigger house.

Longer runs cost more suction to friction before air ever reaches the farthest inlet, so a power unit serving a large home needs headroom beyond what the same square footage would need in a more compact, single-story layout. The SR46's 663 air watt rating is built with that in mind, and its inverted-bag design pairs cyclonic action with a bag that catches fine dust directly, the same filtration approach used across VacuMaid's other filtered SR units.

A filtered unit sized for a larger home like the SR46 also means more frequent bag and filter attention than the SR36 or SR14 will typically need, since it is processing more total airflow over the same footprint of home. Budgeting for that upkeep is part of choosing a power unit sized correctly rather than oversized for comfort's sake. A unit in this output range is also more electrically demanding than the compact end of the SR lineup, so confirm the circuit serving the mechanical room is sized for it at rough-in rather than assuming an existing central vacuum outlet will carry it without an upgrade.

• Part: VacuMaid SR46
• Performance: 663 air watts
• Coverage: homes topping out around 9,500 sq ft
• Filtration: cyclonic action with an inverted bag
• Motor: 6.6-inch 2-stage tangential bypass, 139 CFM, 132-inch sealed vacuum, 120V at 14 max amps
• Capacity: 27-quart canister, 58 dB with vented exhaust

For a home in this size range, confirm your longest single pipe run and total inlet count against VacuMaid's installation guidance. Layout affects real-world performance as much as the power unit's rating does.