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The OATEY 47WK is a 90-degree slip joint elbow designed for under-sink drain applications in residential plumbing. Molded from white polypropylene, this fitting connects a 1-1/2 inch or 1-1/4 inch tube to a 1-1/4 inch wall or floor drain connection. A heavy-duty compression washer is included to create a leak-resistant seal at the joint. The slip joint design eliminates the need for solvent cement, making assembly fast and straightforward. Licensed plumbers and skilled DIYers install this fitting as part of P-trap and drain arm configurations beneath kitchen and bathroom sinks.
This elbow fits standard under-sink tubular drain assemblies and is suited for residential kitchens and bathrooms where a 90-degree direction change is required in the drain line. It is a direct replacement in P-trap setups connecting the trap arm to a wall or floor stub-out. The white polypropylene finish blends with common under-cabinet plumbing and resists corrosion in typical drain service conditions.
Designed as an OEM-style replacement fitting for standard residential tubular drain assemblies using 1-1/2 inch slip joint connections.
Installation is typically performed by a licensed plumber or qualified DIYer following local plumbing code requirements. 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 slip-joint pliers — avoid over-tightening polypropylene fittings, which can crack under excessive force. Verify alignment of all drain components before final tightening to prevent stress on the fitting.
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