MultiBox™ Fire-Rated Washing Machine Outlet Box with Hammer Arresters and Auxiliary Drain Box

Product Description and Features

Designed with separate valve and drain boxes, the Water-Tite MultiBox Fire-Rated Washing Machine Outlet Box with Auxiliary Drain Box gives homeowners expanded functionality for laundry rooms. This dual-box unit has a valve box with a DWV (drain, waste, and vent) drain to capture hose leaks and a drain box with an optional 2-inch drain. This outlet-box unit is ETL Certified and is fire rated for both one- and two-hour-rated walls. It features an intumescent pad attached to the back of each box that swells in the event of fire, acting as an insulator to prevent excessive heat from passing through the structure. This dual-box system features integrated mounting flanges for easy installation, as well as top and bottom stabilizer-bar slots and nail slots for optional extra support. This outlet-box unit comes with two pre-installed supply valves that are durable forged brass and have an anti-rotational design, making them long-lasting and easy to access and use. The valves feature hammer arresters that absorb sudden pressure changes to reduce stress on the plumbing system, providing continuous and maintenance-free protection against water hammer. The included faceplates (6-1/2 inches wide by 6-7/8 inches high) are interchangeable with all MultiBox outlet boxes and are able to accommodate up to two sheets of 5/8-inch drywall. Choose from a standard pack with an attached faceplate or a contractor pack with an unattached faceplate.

• Intumescent pad attached to back of each outlet box
• 1hr & 2hr rated
• ELC Certified
• Integrated mounting flanges - no clips to lose or hassle with
• Top and bottom stabilizer bar slots
• Optional nail slots
• Nine valve knock-outs in box only
• Two drain knock-outs: 2" in standard washing machine drain, optional 1" to pipe valve box to DWV system
• Integrated drain knock outs will not fall down the drain after DWV test
• Anti-rotational valve design
• Forged brass qtr-turn valves
• MultiBox faceplates fit any MultiBox configuration, including fire-rated
• All faceplates fit up to two sheets of 5/8" drywall
• Standard faceplate
• California Residents: WARNING – www.P65warnings.ca.gov

• MultiBox Brochure
• Specification Sheet
• Installation Instructions
• MultiBox Fire Rated Design Specification Sheet
• REHAU EVERLOC+ Flyer