4" Double Check Assembly OSY Valve Fire Protection Backflow Preventor Valve reliable water supply Easy Installation: Designed for straightforward

Easy Installation: Designed for straightforward setup

Its inline modular design

Precise Moisture Monitoring: Designed to accurately detect the presence of moisture in compressed air

it reduces maintenance intervals and ensures consistent fire safety performance

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

4" Double Check Assembly OSY Valve Fire Protection Backflow Preventor Valve reliable water supply Easy Installation: Designed for straightforwardThe 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