Backflow Prevention System – DST 431 – DST 420

Our Backflow Prevention System is designed to protect potable water supplies in the funeral home from preparation room activities in accordance with national plumbing codes.

  • system is complete with 1/2″ or 1″ reduced pressure backflow preventer, air gap and strainer
  • protection from health hazard cross-connections
  • for continuous pressure use
  • protects against both back siphonage and backpressure backflow
  • two in-line, independent check valves with intermediate relief valve
  • air gap can be easily mounted to body of backflow preventer
  • other sizes available on request