Beam authorized dealers are only able to ship up to 100 miles from their place of business.
American Vacuum Company only sells HP/Element/VacuFlo units in the Kansas City area.

Beam Serenity QS 398C Central Vacuum Power Unit 000343


Good for allergies. Hospital grade filtration.

SKU: 343 Categories: , Brands: .


 At 640 air watts, the Beam Serenity QS 398C provides the ultimate in single motor performance. Along with its large filter capacity and ultra quiet operation, this unit is clearly a industry leader. This is a quality unit, built to last.

Beam Serenity QS 398C Specifications


  • ATLIS Intake Technology
  • Sealed Suction: 137″ waterlift
  • Air Flow: 126 CFM
  • Air Power: 640 Air Watts
  • Utility inlet provided on unit
  • Filter: permanent, self-cleaning filter
  • Motor: 120 volts, 15 max amps
  • Size: 14″ diameter 42″ high
  • Shipping Weight: 41 lbs.
  • Dimensional Weight: 74 lbs.
  • UPC: 79911303220
  • 7-gallon, semi-translucent dirt bucket made with anti-microbial plastic

Good for allergies. Hospital-grade filtration.

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Additional information

Weight 35 lbs

Buying a Vacuum?

Central Vacuums
Buying a Beam, VacuFlo or other central vacuum system doesn’t have to be hard. American Vacuum sells it all—units, hoses, power heads and pipe. We are your one-stop central vacuum shop.

Do you need an upright vacuum? Or a canister? Maybe a robot vacuum? We have it all. We carry Sanitaire, Eureka, Hoover, Dyson, and anything else you can think of. Do you think you can find it for less somewhere else? Call us, and we’ll do our best to get your business.

Do you own or work in a commercial setting—a hotel, restaurant or school? From Hoover Commercial to ShopVac to Rug Doctor, we have you covered. Also, ask about setting up a commercial account.

Service, Installation and Repair

We have been repairing vacuums at our retail locations for decades. Plus, we are the authorized warranty station for almost all major brands.There's nothing we can't fix. We also service and install central vacuums in your home. Come to us for your Beam, VacuFlo, NuTone, Hayden and other needs.


Right Type for the Right Job


  • Wider cleaning path
  • Better on carpet
  • More commonly has motorized brushbar
  • Longer power cord
  • With power cord and hose, longer reach
  • In bagged units, often have larger bags
  • Rarely has automatic power cord rewind
  • Harder to get around and under furniture
  • Have to move entire machine on each pass


  • Narrower cleaning path
  • Better on bare floors
  • Frequently have air-driven brushbar
  • Shorter power cord
  • Shorter reach
  • In bagged units, often have smaller bags
  • Often has automatic power cord rewind
  • Easier to get around and under furniture
  • Only have to move hose & nozzle on each pass

What We Do

American Vacuum Company does it all. For over 40 years we have had Kansas City covered. We are expanding west with our retail and service and we are already all over the world through with our Internet presence. Whether you are in Kansas City or Kalamazoo, let American Vacuum take care of your vacuum cleaning needs.
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