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- TR-90 frame construction with soft rubber temple and nose bridge
making it a practical choice for upgrades or new system builds
Braille "5" Key Frequently Asked Questions
and purge functions clearly and accessibly
and plumbing professionals who need dependable protection against water contamination without compromising system efficiency
2-1/2" Reduced Pressure Backflow Preventer Valve with OSY Valve Shopify Collective - TR-90 frame construction withThe 2 1 2" Reduced Pressure Backflow Preventer Valve with OSY Valve is engineered for residential fire protection systems, providing reliable backflow prevention combined with visual valve isolation. Designed for fire system installers, plumbing professionals, and facility managers, this device ensures compliance with critical safety standards while offering straightforward maintenance and inspection. Material Durability: Heavy duty cast iron body
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