This 3 in lead-free reduced pressure zone assembly is designed to prevent the flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Its compact modular design facilitates easy maintenance with a single access cover for in-line repairs. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards and for contaminants at the service line entrance. This assembly consists of an epoxy coated cast iron body construction, non-rising stem resilient seated gate valves, top mounted test cocks, two in-line independent check valves, captured springs and replaceable check seats with an internal relief valve for reduced space requirements.

• Lead-free
• Single access cover and modular check construction for ease of maintenance
• Top entry all internals immediately accessible
• Captured springs for safe maintenance
• Internal relief valve for reduced installation clearances
• Replaceable seats for an economical repair
• Ball valve test cocks screwdriver slotted
• Large body passages provides low pressure drop
• Compact space saving design
• No special tools required for servicing
• Non-rising stem resilient seated gate valves
• Epoxy coated cast iron body furnished with an FDA epoxy coated strainer
• In-line body pattern
• Health hazard
• Continuous pressure operation
• Backpressure and backsiphonage protection type
• Valve to accessory type

Standards/Certifications: ASSE 1013, AWWA C511, CSA B64.4, IAPMO 1563, ANSI/NSF 61 annexure G, UL listed, USC standard, UPC approved

• Installation Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS900_Instal.pdf
• Specification Sheet https://www.plumbers-supply-co.com//ASSETS/DOCUMENTS/ITEMS/EN/UNI-PS900_Spec.pdf