12" Reduced Pressure With OSY Low Flow Fire Device high performance Secure Connections: The grooved design

Secure Connections: The grooved design provides a reliable seal

Its corrosion-resistant finish reduces maintenance downtime caused by tool degradation

Its combination of durable materials

and meets AWWA C510 criteria—ensuring reliable performance that aligns with strict industry safety and quality standards

this backflow preventer withstands harsh environmental conditions to provide long-lasting residential protection

12" Reduced Pressure With OSY Low Flow Fire Device high performance Secure Connections: The grooved designThe Conbraco 12" Reduced Pressure with OS&Y Low Flow Fire Device (Item Number 4A 20H 03) is a vital component for ensuring the safety and reliability of residential fire protection systems. This advanced backflow prevention assembly is engineered to protect potable water supplies from contamination in fire sprinkler systems, offering peace of mind for homeowners. Reduced Pressure Zone (RPZ) Technology: This device utilizes a Reduced Pressure Zone