Project Overview: Enhancing Laundry Efficiency with Recessed Supply Integration

In this residence, we installed a recessed washer box to streamline hot/cold water supply and drainage for washing machines, reducing flood risks and simplifying maintenance. The process started with precise wall cutouts using a drywall saw to fit the box at ergonomic height (typically 36-42 inches from floor), followed by PEX or copper piping runs soldered with lead-free flux for hot (red-handled) and cold (blue-handled) quarter-turn ball valves, ensuring flow rates of 8-12 GPM without pressure drops. The drain incorporated a 2-inch ABS P-trap with cleanout access, vented to prevent siphoning per BC Plumbing Code.

Technically, electrical integration involved a 20A dedicated circuit with GFCI receptacle positioned adjacent (though low in image for accessibility), wired with 12/2 NM-B cable to handle 1,800W loads, with ground fault interrupters tested at 5mA trip threshold. Valve stems were oriented for easy operation, and the box was sealed with caulk to IP44 standards against splashes. Final hydrostatic testing at 60 PSI confirmed no leaks, while electrical continuity was validated with a clamp meter showing <0.2 ohms resistance.