Apollo Valves 38 -100 Atmospheric Vacuum Breaker

Atmospheric Vacuum Breaker, Bronze, or Chrome-Plated

The Apollo Series Atmospheric Type Vacuum Breakers are designed to prevent back-siphonage of polluted water into a potable water system. They should only be installed in areas where spillage of water could not cause damage and where it can be accessible for periodic maintenance. These devices are not designed for continuous pressure application (maximum 12 hours in any 24 hour period). Should be installed a minimum of 6” above all downstream piping with no downstream shut off.


  • Corrosion Resistant
  • Bronze Body
  • Lead Free Option (100 Series)
  • Heat Resistant Silicone Seat Disc
  • Rough Brass, Rough Chrome or Polished

Chrome Finish

  • Easy to Maintain
  • Compact and Lightweight
  • Durable

Performance Rating

  • Suitable for Hot or Cold Water Service: (up to 212°F at 125 psig) for up to 1”) (up to 180°F at 125 psig) for 1-1/4” thru 2”


  • ASSE 1001-2008
  • NSF/ANSI 372 Lead Free (38LF only)

Standard Materials Lists

Valve Body (AVB1) Cast Bronze (LF C89836)
Seat Disc Silicone
Float & Gasket Polypropylene
Canopy Powder Coated Steel
Screw Zinc-plated Steel

Ref : http://www.apollovalves.com

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