HoldRite Fire-Rated Washing Machine Outlet Boxes are designed for use in residential laundry spaces and allow for installation of water supply valves during the rough-in phase. Can be mounted for top or bottom supplied water lines and installed between studs using a HYCO bar or HoldRite 170. Outlet Box Assemblies include Hot and Cold supply valves with quarter-turn handles and 3/4" male threaded hose connections. Can be used with Copper, PEX, or CPVC. 2" drain socket and 3/4" IPS and CTS knockouts on top/bottom of box for connection of condensate/T&P drain lines. Face plate included. Optional integral water hammer arrestors for water shock wave prevention available. Drain funnel and other accessories sold separately.