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Thrush’s AAR-O-VENT Air and Dirt Separator

Even minimal amounts of air and dirt in a hot water system can cause major issues affecting efficient operation, maintenance costs, and corrosion. The Thrush Aar-O-Vent® air and dirt elimination technology has been independently proven to remove:

  • 100% of free air
  • 100% of entrained air
  • 99.7% of dissolved air
  • 99% of dirt particles as small as 17 microns 

As a result, your hot water systems can operate at peak velocity with virtually no corrosion or water flow issues.

Learn more in the AAR-O-VENT brochure