Backflow preventers are used within direct connect piping systems to allow water to enter a building from the local water supply but do not allow water from inside of the building to flow back into the local water supply due to back siphonage or pressue loss.

Function: The assembly shall consist of two repairable positive seating check modules with captured springs and rubber seat discs. Service of all internal components shall be through a single easily removable cover and designed for ease of access.

Features: Single access cover for fast service, screwed on access cover for quick repairs, easily removable checks, modular design reducing number of spare parts, and self-contained check so there is no pressure on the lid.

Ratings: Maximum working water pressure 175 PSI, Maximum working temperature 180° F, Hydrostatic test pressure 350 PSI, End connection NPT threaded to ANSIB 1.20.1