This Colt (TM) 2-1/2 in lead-free reduced pressure zone assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. This extremely compact and lighter than traditional designed assembly is approved for horizontal Z pattern installation as long as the backflow assembly is installed in accordance with the direction of the flow arrow. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and from other contaminants found at the service line entrance. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check modules, resilient seated gate valves with outside stem and yoke, test cocks, and a bottom mounted pressure relief valve.

• Lead-free
• Outside stem and yoke
• Link check modules provide lowest pressure loss
• Drip tight shut-off valves
• 70% lighter than traditional designs
• Replaceable check disc rubber
• Torsion spring check modules for ease of serviceability
• Groove couplings for easy installation and pipe alignment
• 304 stainless steel housing and sleeve
• Extremely compact design allows for small enclosures to be used
• Bottom mounted stainless steel relief valve
• EPDM elastomers, stainless steel link checks, pins and fasteners, stainless steel, reversible silicone or EPDM check discs, bronze body nickel-plated test cocks

Standards/Certifications: ASSE 1013, CSA B64.4, ANSI/NSF 61-G, AWWA C551-92 certified, FM approved, cULus listed

Applications: For fire protection applications

• Specification Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS365_Spec.pdf