Zurn 1-NR3XLDUC Lead-Free Double Union Female CU SWT Pressure Reducing Valve, 1" 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