The 2-1/2" Reduced Pressure Detector with OS&Y Valve is specifically engineered for residential fire protection systems, offering reliable backflow prevention combined with integrated flow detection. This device is designed for fire safety professionals, residential property owners, and municipal inspectors who require durable, compliant solutions that safeguard potable water from contamination.

• Durable Construction: Built from corrosion-resistant ductile iron meeting ASTM A536 standards, ensuring mechanical strength and long-lasting performance in demanding fire system environments.
• Corrosion-Resistant Internal Components: Features 300-series stainless steel springs and fasteners that resist rust and wear, alongside high-strength thermoplastic check valves for consistent sealing and backflow prevention.
• Integrated OS&Y Gate Valve: Outside Stem and Yoke design provides clear visual confirmation of valve status for straightforward operation and secure shutoff during maintenance or emergency situations.
• Certified Compliance: UL Listed to UL 1469, FM Approved, and compliant with ASSE 1013/1015 standards, meeting essential codes such as NFPA 13 and NFPA 25 for reliable fire system performance.
• Operational Specifications: Supports a maximum operating pressure of 175 PSI and functions optimally between 33°F and 140°F, suitable for standard residential water supplies.
• Flexible Installation: Designed for horizontal placement in mechanical rooms or underground vaults with 2-1/2 inch nominal pipe size connections adaptable to flare or threaded fittings.
• Flow Detection Capability: Detects unusual backflow events early to alert users of potential system disturbances, enhancing overall fire protection system safety and water purity.

This reduced pressure detector offers a vital safeguard against backflow contamination in residential fire sprinkler systems, ensuring the integrity of potable water supplies. Its rugged material choices and certified design standards provide peace of mind for compliance and safety inspections. The clear OS&Y valve status enhances operational confidence during routine testing, while its integrated flow detection helps identify system anomalies before they escalate. Ideal for fire protection contractors and safety inspectors, this device addresses the common challenges of maintaining code-compliant, reliable fire systems with minimal maintenance complexity.