Upgrading Black & Decker/WalVac Central Vacuum Inlets

[@compactc9]

The motors in the older units are MONSTERS!

[@WJCTechyman]

Fascinating. I thought there was more to it but looks relatively simple.

[@gregbushman319]

Thanks! You're postings are always so informative!

[@compactc9]

A Wal-Vac Rugmaster!

[@dtaylor5493]

Which motors were in these units?

[@Centvac]

B & D used a motor design from one of their handheld industrial sander/buffers, with two impellers attached to the shaft. Big, torquey thing.