This Colt 6 in lead-free double check valve 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. It is ideal for protection at cross-connections identified as non-health hazards such as on fire sprinkler systems and from other contaminants found at the service line entrance. This compact modular design with a single access sleeve for easy maintenance is approved for horizontal or vertical installation in accordance with the direction of the flow arrow on the assembly. It consists of a stainless steel body, tri-link check valves, outside stem and yoke resilient seated gate valves, and test cocks.

• Lead-free
• No special tools are required
• Single housing sleeve access port design for easy maintenance
• Groove fittings allow integral pipeline adjustment
• The wetted surface of this product contacted by consumable water contains less than 1-quarter of 1% (0.25%) of lead by weight
• Compact design
• Tri-link check modules provides lowest pressure loss
• Extremely compact design
• 70% lighter than traditional designs
• 304 stainless steel housing and sleeve
• Patented Tri-Link check provides lowest pressure loss
• Unmatched ease of serviceability

Standards/Certifications: ASSE 1015, AWWA C510-92, cCSAus B64.5, IAPMO PA 31, cULus, FM approved, USC, UPC, ANSI/NSF 61-G certified

Applications: For non-health hazard applications

• Installation Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS358_Instal.pdf
• Specification Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS358_Spec.pdf