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The BSC PREFERRED DIB905W is a 1-1/2-inch by 6-inch white polypropylene sink tailpiece designed for under-sink drain connections in residential kitchen and bathroom applications. The flanged inlet seats directly against the kitchen sink strainer basket, creating a secure, leak-resistant fit without the need for additional adapters. At 6 inches in length and weighing approximately 0.07 pounds, this lightweight tailpiece is straightforward to handle and position during installation. Nuts and washers are not included and must be sourced separately. Plumbers and drain technicians will find the flanged design reduces alignment steps compared to slip-fit alternatives.
This tailpiece is suited for standard residential kitchen sinks and bathroom lavatories where a 1-1/2-inch drain line is present. It connects the sink strainer to the P-trap assembly and is a common replacement component when existing tailpieces crack, warp, or develop leaks at the flange seat. The white finish blends with typical white cabinetry interiors. It is sold individually and is appropriate for both new drain installations and service replacement work on existing under-sink drain assemblies.
Designed as an OEM-style replacement tailpiece for residential kitchen and bathroom sink drain assemblies using 1-1/2-inch slip-joint drain lines.
Installation is typically performed by a licensed plumber or experienced drain technician. Shut off water supply and clear cabinet contents before beginning work. Hand-tighten slip-joint nuts first to align the tailpiece squarely with the strainer and P-trap before applying final torque with channel-lock pliers - over-tightening plastic fittings can crack the flange. Local plumbing codes, including IPC guidelines, may specify minimum trap arm dimensions and P-trap depth requirements that affect tailpiece length selection.
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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