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The PLUMB SHOP DIV BRASSCRAFT 542-670 is a flexible white plastic drain extension tube designed for kitchen sink drain applications. It features a 1-1/2 inch outer diameter direct-connect end and extends 12 inches, making it a practical solution for bridging the gap between a sink strainer tailpiece and a P-trap or drain assembly. The flexible construction allows for minor angular adjustments during installation, reducing the need for precise alignment. This part ships carded and includes the required nut and washer, so no additional fittings are needed for a standard connection.
This extension tube is suited for residential kitchen sink drain installations where additional length is needed between the basket strainer outlet and the trap arm or drain trap. It is commonly used during sink replacements, cabinet retrofits, or drain repairs where the existing tailpiece falls short of reaching the trap. The white plastic finish is appropriate for under-sink drain systems that use standard plastic drain components.
Designed as an OEM-style replacement and standard-fit component for residential kitchen sink drain systems using 1-1/2 inch plastic drain connections.
Installation is performed by a licensed plumber or qualified DIYer familiar with residential drain plumbing. Turn off water supply and clear the area under the sink before beginning work. Hand-tighten plastic drain fittings only — over-tightening with tools can crack plastic nuts and fittings. Local plumbing codes (IPC) may govern drain slope and trap distance requirements; verify compliance before finalizing the drain layout.
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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