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Apollo - 4A-108-A2F - 2'' DCA Backflow Preventer

by Apollo
SKU 4A108A2F
Sold out
Original price $779.75
Current price $689.60


**We are not carrying this product at this time. We have a replacement option available at this link - Zurn - 2-950XLT - 2'' DCA Backflow Preventer**

The Apollo Model DC4A Double Check Valves prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable to the potable water supply, but non-health hazards. The top accessed modular check valve cartridges provide captured springs, replaceable seats and reversible silicone seat discs. This Made in America assembly features Apollo ball valves with stainless steel handles and nuts as standard and carries the five-year Apollo factory warranty.

Features / Benefits

  • Low pressure loss documented by independent approval agencies
  • Easily removable modular check valve cartridge
  • Captured stainless steel springs
  • Apollo ball valves w/ SS handles & nuts standard
  • Top-mounted test cocks for easy testing
  • No special tools required
  • Chloramine-resistant elastomers
  • Designed, cast, machined, assembled and tested IN THE USA


  • Horizontal and Vertical Up Approvals
  • AWWA C510
  • Approved by the Foundation for CrossConnection Control and Hydraulic Research at the University of Southern California
  • ASSE 1015-2011
  • CSA B.64.5

Performance Rating

  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 180°F

Material Specifications

  • Body, Caps, Ball Valve Shutoffs, Test cocks: Bronze C84400
  • Check Valve Cartridges: Glass-Filled PPO
  • Springs: 300 Series Stainless Steel
  • Seat Discs: Chloramine-resistant Silicone
  • O-rings: Chloramine-resistant EPDM




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