Dual Drain Washing Machine Outlet Box

IPS 85604 – Water-Tite DU-ALL Dual Drain Washing Machine Outlet Box

The IPS Water-Tite 85604 DU-ALL washing machine outlet box is engineered for residential and light commercial applications requiring dual drain functionality. The box integrates dual drains and water supply valve ports into a single housing, simplifying installation and minimizing required wall penetration. Designed for use with top-mount or center drain configurations, the DU-ALL box supports flexibility in new and retrofit installations.

Product Features

• ✅ One-Piece Molded ABS Housing – Eliminates the need for separate drain and supply boxes, improving reliability and structural integrity.
• ✅ Dual Drain Design – Supports side-by-side or stacked washer setups, or dual appliance installations.
• ✅ Raised Drip Edge – Directs condensate and leaks into the drain, mitigating wall cavity damage.
• ✅ Forward-Facing Valve Access – Accommodates hot and cold water connections with accessible shutoff capability.
• ✅ Removable Faceplate and Interchangeable Frame – Allows adaptation to different framing or drywall depths.
• ✅ Multiple Knockouts – Oversized to simplify pipe routing and reduce risk of cap displacement.

Technical Specifications

• Model: IPS 85604
• Box Dimensions: 10-3/16" W x 8-13/16" H
• Material: High-impact ABS thermoplastic
• Drain Configuration: Dual drain ports (side-by-side orientation)
• Connection Type: Accepts standard ½" or ¾" MIP or FIP water supply connections (based on valve selection, not included)
• Mounting: Nailing flanges for wood stud or cross-brace mounting
• Compliance: ASME A112.18.1, IAPMO listed (UPC/IPC/NSPC compliant)

Installation Considerations

Installation should be performed by a licensed plumber in accordance with local code requirements. Ensure the box is positioned level, with sufficient clearance to accommodate trap and standpipe per UPC or IPC standards. Seal joints with appropriate solvent cement. Drain lines must be sloped properly, and valves should be tested for backflow integrity prior to closing the wall cavity.

Professional Use Cases

The Water-Tite DU-ALL box is commonly specified in multi-unit housing developments, utility room renovations, and residential laundry installations requiring dual drainage. Compatible with common washing machine hoses and 2" drain connections via DWV PVC or ABS fittings.