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The NIBCO I009550 is a 2-inch ABS (Acrylonitrile Butadiene Styrene) drain, waste, and vent coupling designed for hub-to-hub connections in DWV piping systems. This coupling joins two pipe ends of equal diameter in a straight run, maintaining a continuous, leak-resistant drain or vent line. The ABS construction handles a working temperature range of -40 degrees F to 180 degrees F, making it suitable for the full range of interior residential and light commercial plumbing environments. Licensed plumbers install this fitting as a standard pipe-joining component in new construction and renovation work.
This coupling is used in residential and light commercial DWV systems where ABS plastic pipe is the specified material. Typical applications include drain lines under sinks, tub and shower waste runs, toilet flanges, and vertical vent stacks. The hub-by-hub end connections accept solvent-cement bonding on both ends for a fast, permanent joint. This part meets ISO 9001:2008 quality management standards.
Designed as an OEM-style replacement and new-installation coupling for 2-inch ABS DWV piping systems in residential and light commercial plumbing applications.
Installation is performed by a licensed plumber in accordance with the International Plumbing Code (IPC) and applicable local codes. Before cutting into an existing drain line, shut off the water supply and clear the line of standing water. Use ABS-rated solvent cement and primer where required by code — do not substitute PVC cement on ABS fittings. Allow full cure time before pressurizing or placing the line back in service.
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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