Flash Shower Rough-In Valve w/ PEX Cold

Back-To-Back Capability: Hot and Cold can be Reversed Quickly and Easily, can be Tested Using Flush Plug With Air (200 Psi) or Water (300 Psi), Cartridge Ships With Trim, Cast DZR Brass Valve Body: Resists Corrosion Due to High Chloride and pH Levels in Water, Exclusive Plaster Guard: Plaster Guard is Designed to Protect Valve and Act as a Guide During Installation, Flat Back: Allows Valve to be Mounted Flush Against Cross Brace for Easy and Solid Installation, Flats Make it Simple to Loosen Ring for Quick, Easy Insertion/Removal of Flush Plug/Cartridge, Flush Plug: Eliminates the Need to Remove Cartridge During Installation and Allows Installer to Flush the Lines Without Cross Flow, Includes Screwdriver Stops for Easy Servicing At the Valve, it can Serve as Mounting Support for Thin-Wall Installations, PEX Connections: Fast and Easy Installation Without Adaptors Reducing Leak Points, Stainless Steel Retaining Ring With Flats: Secures Flush Plug/ Cartridge in Place and Eliminates Need for Screws, Wide Rough-in Range: From 1-3/4" to 2-3/4" From Finished Wall to the Back of the Valve