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The OATEY 792a17bn1 is a 1-1/2 inch extension tube with slip joint connections, designed for use in tubular drain assemblies. Built from brass, this extension tube provides a reliable, adjustable connection in drain line configurations where additional reach is needed between drain components. Plumbers and drain service technicians install this fitting in residential and light commercial sink drain systems. The slip joint design allows for tool-free length adjustment and simplifies alignment during rough-in or service work.
This extension tube is suited for tubular drain applications including kitchen and bathroom sink drain assemblies. It is commonly used when the existing drain line requires additional length to reach a trap or waste outlet. The slip joint connection makes it adaptable to a range of installation depths and cabinet configurations without requiring solvent welding or threading.
Designed as an OEM-style replacement or upgrade component for standard 1-1/2 inch tubular drain assemblies in residential and light commercial plumbing applications.
Installation is typically performed by a licensed plumber or qualified drain service technician. Shut off the water supply and ensure the drain is clear before beginning work. Slip joint connections should be hand-tightened first, then snugged with slip joint pliers — avoid overtightening, which can crack slip joint nuts. Verify the assembly for leaks after restoring water flow.
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