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The BON 400-5570 is a 2-inch union nut and slip tailpiece assembly with an integrated O-ring, designed for use in plumbing drainage and waste systems. The union nut connection allows for tool-free disassembly and reassembly, making cleanouts and trap servicing faster. The slip tailpiece provides a smooth, adjustable fit into standard trap inlets. The O-ring creates a watertight seal without the need for additional thread tape or compound. Licensed plumbers and experienced DIYers install this fitting during trap replacements, drain repairs, or fixture drain reconfigurations.
This fitting is suited for residential and light commercial plumbing applications where 2-inch slip drain connections are required. Typical installation scenarios include kitchen sink drain assemblies, utility sink traps, and similar fixture drain configurations. The slip design accommodates minor alignment adjustments during installation, reducing the need to recut or refit adjacent piping.
Designed as an OEM-style replacement or direct-fit component for standard 2-inch slip tailpiece drain connections in residential and light commercial plumbing systems.
Installation should be performed by a licensed plumber or qualified tradesperson in accordance with local plumbing codes and the IPC. Shut off the water supply and clear standing water from the trap and drain before beginning work. Hand-tighten the union nut to avoid cross-threading, then snug as needed — avoid overtightening, which can crack the nut or distort the O-ring seal. Inspect the O-ring for proper seating before completing assembly and test for leaks after restoring flow.
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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