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The BSC PREFERRED DIB930W is a center outlet continuous waste fitting designed to connect double bowl sink strainers to a single drain connection. Constructed from white polypropylene, this fitting measures 1-1/2 inches in diameter and 16 inches in length. It ships with a baffle tee, nuts, and washers, providing all the hardware needed for a leak-resistant assembly. The baffle tee prevents wastewater from one bowl from backing up into the other. Licensed plumbers and experienced DIYers install this fitting as part of a standard under-sink drain rough-in on residential kitchen or laundry applications.
This continuous waste is suited for residential kitchen sinks with two basins where both drain outlets must tie into one trap and drain connection. It supports both slip joint and direct connection configurations, giving the installer flexibility depending on the existing rough-in. No additional adapters are required for standard 1-1/2-inch drain assemblies. Typical installations include undermount and drop-in double bowl kitchen sinks.
Designed as an OEM-style replacement or new-installation fitting for standard 1-1/2-inch double bowl sink drain assemblies using slip joint or direct connection configurations.
Installation is performed by a licensed plumber or qualified tradesperson. Shut off the water supply and place a bucket under the existing trap before disassembling drain components. Hand-tighten slip joint nuts first, then snug with channel-lock pliers, avoiding over-torquing plastic fittings. Verify all connections for leaks by running water through both bowls after assembly.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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