The Watts LF009 is a lead-free RPZ backflow preventer designed to protect potable water supplies from contamination due to backpressure or backsiphonage. Ideal for health hazard cross-connections and continuous pressure applications, it features a compact modular design for easy maintenance. The assembly includes two in-line independent check valves, a relief valve, and a flood sensor with SentryPlus Alert® technology to detect excessive water discharges. Constructed with a lead-free copper silicon alloy body and NPT end connections, it ensures durability and compliance with national plumbing codes.

Technical Specifications:

• Size Range: ½" – 3"

• Materials:

  • Body: Lead-Free Copper Silicon Alloy

  • Check Valves: Silicone Discs

  • Relief Valve: Stainless Steel Seat and Trim

• Pressure Rating: 175 psi (12.06 bar)

• Temperature Range: 33°F – 180°F (0.5°C – 82°C)

• End Connections: NPT

• Features: Flood sensor with SentryPlus Alert® technology, quarter-turn ball valve shutoffs, top-mounted test cocks, single access cover for maintenance