Prevents polluted water from entering your potable water supply due to back-siphonage or backpressure, in accordance with national plumbing codes and water authority requirements
Ideal for continuous pressure piping applications, at cross-connections identified as non-health hazards and for contaminants at service line entrances
Features a lead-free, cast copper silicon alloy body; NPT end connections; quarter-turn ball valve shutoffs; top mounted test cocks; two in-line independent positive seating check modules; captured stainless steel springs, and replaceable check discs and seats
Compact modular design and single access cover facilitate easy maintenance and in-line repairs