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The PLUMB SHOP DIV BRASSCRAFT 480-137 is a white plastic wall drain trap designed for lavatory and kitchen sink drain applications. It connects a 1-1/4 inch or 1-1/2 inch OD tube via slip joint on the inlet side to a 1-1/2 inch OD tube at the wall outlet. The trap provides the water seal required to block sewer gases from entering the living space. Nuts and washers are included, making this a complete assembly for standard drain rough-in work. Weighing 0.28 pounds, it is a lightweight, corrosion-resistant option for residential drain lines. Licensed plumbers and experienced DIYers handle this installation routinely.
This trap is suited for residential lavatory and kitchen sink drain installations where the drain outlet terminates at the wall rather than the floor. The dual inlet sizing — accepting both 1-1/4 inch and 1-1/2 inch OD tubing — allows it to fit a range of standard lavatory and kitchen drain tailpieces without requiring an additional adapter. It is packaged individually and sold per each unit.
Designed as an OEM-style replacement or new-installation trap for residential lavatory and kitchen wall drain applications using standard 1-1/4 inch or 1-1/2 inch OD drain tubing.
Installation is performed by a licensed plumber or qualified tradesperson. Shut off the water supply and clear standing water from the drain line before beginning work. Hand-tighten slip joint nuts first, then snug with channel-lock pliers — do not overtighten plastic fittings as this can crack the nut or distort the washer seat. Verify the trap seal holds water and check for leaks at all slip joint connections after reassembly.
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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