4" Double Check Assembly OSY Valve Fire Protection Backflow Preventor Valve reliable water supply Clear Visual Indicator: Equipped with

Clear Visual Indicator: Equipped with a prominently displayed status window that shows “SHUT” when the valve is closed

providing superior mechanical durability and resistance to corrosion under high-pressure fire system conditions

Easy Installation: Designed for straightforward setup

It reliably manages system pressure to prevent overloads and protect critical infrastructure

Its inline modular design

4" Double Check Assembly OSY Valve Fire Protection Backflow Preventor Valve reliable water supply Clear Visual Indicator: Equipped withThe 4" Double Check Assembly with OS&Y Valve from Ames Backflows is an essential backflow preventor engineered specifically for robust fire protection systems. This critical component ensures a secure and compliant water supply by effectively preventing backflow contamination, making it ideal for both new installations and upgrades in commercial and residential properties. Durable Construction: Crafted from high grade materials, this assembly is built