Dual Checks / Dual Checks With Vent

  • 40LF-300

    40LF-300

    The Apollo® Model DCAPLF Dual Check with Atmospheric Port shall be manufactured in America with all domestic part...
  • 40LF-400

    40LF-400

    The Apollo® Model DCAPLF Dual Check with Atmospheric Port shall be manufactured in America with all domestic part...
  • 4FP-300

    4FP-300

    The Apollo® DUC4FP Series Dual Check Backflow Preventer for Residential Fire Sprinkler Systems prevents backflow ...
  • 4NLF-300

    4NLF-300

    The Lead Free* Apollo® Model DUCLF4N (4NLF-300) Dual Check Valve prevents backflow by either backpressure or back...
  • 38-500

    38-500

    The Apollo® 38-500 Series Lab Faucet Vacuum Breaker is designed to provide protection against back-siphonage wher...
  • 4C-100

    4C-100

    The Apollo® 4C-100 Series Carbonated Beverage Backflow Preventer (Model CBBP) is designed to prevent contaminatio...

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