Zurn Wilkins 1-NR3XLDU 1" Pressure Reducing Valve Designed for installation on potable water lines to reduce high inlet pressure to a lower outlet pressure Integral strainer makes this device most suitable for residential and commercial water systems that require frequent cleaning of sediment and debris Direct acting integral by-pass design prevents buildup of excessive system pressure caused by thermal expansion Balance piston design enables the regulator to react in a smooth and responsive manner to changes in system flow demand Provides protection from inlet pressure changes Compact design with short lay length allows installation in tight spaces Labor saving tailpiece options available 1/4&#034; gauge option for easy pressure adjustment after installation Threaded bell speeds access to cartridge internals Cartridge loaded design is easily repaired Readily available and affordable repair kits for lowest life-cycle costs