2-1/2" Reduced Pressure Zone Assembly With OSY Valve

Keep your residential fire protection system running safely and efficiently with this 2-1/2" reduced pressure zone assembly. It protects your potable water supply from contamination while maintaining reliable performance in your fire sprinkler network.

• Heavy-duty brass body: Provides lasting durability with a corrosion-resistant finish that stands up to humid environments.
• Stainless steel components: Resists mineral buildup and corrosion to keep internal parts working smoothly over time.
• Dual check valves: Offers redundant backflow prevention to minimize the risk of water contamination.
• Precision relief valve: Features EPDM seating to consistently discharge excess pressure and prevent downstream damage.
• OS&Y valve design: Facilitates precise flow control and lets you perform maintenance without shutting down the entire system.
• Operational range: Rated for up to 175 PSI and functions in temperatures between 33°F and 140°F.

You can rely on this backflow preventer to support horizontal piping layouts and integrate smoothly into standard plumbing setups. Its robust construction and certified compliance with UL 411, FM Approval, ASSE Standard 1013, and NFPA codes ensure dependable, hassle-free operation for fire sprinkler contractors and maintenance professionals.