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The NIBCO I030250 is an ABS DWV adapter fitting designed to transition between a hub (solvent-weld) connection and a male iron pipe thread (MIPT) connection in drain, waste, and vent piping systems. Molded from acrylonitrile butadiene styrene, this adapter handles a service temperature range of -40 degrees F to 180 degrees F, making it suited for typical indoor residential and light commercial DWV applications. At 1-1/4 inches fitting size, it is a common size for lavatory drain lines, vent branches, and waste stack connections. Licensed plumbers and pipe fitters install this fitting as part of rough-in or repair work in DWV systems.
This adapter is used wherever a threaded transition is needed within an ABS DWV system. Typical applications include connecting ABS drain or vent pipe to a threaded fitting, trap adapter, or cleanout plug in residential bathroom, kitchen, or utility drain lines. The hub end accepts standard ABS pipe for solvent cement joining, while the MIPT end threads into a female-threaded component. This fitting is sold individually, with a minimum order quantity of 5 units, which suits service truck stocking and small-project supply.
Designed as an OEM-style replacement or new-installation fitting for ABS DWV piping systems using 1-1/4 inch hub connections with female NPT threaded components.
Installation is performed by a licensed plumber in accordance with the International Plumbing Code (IPC) and applicable local codes. Solvent-cement the hub end to ABS DWV pipe using ABS-rated cement; apply primer if required by local code. Thread the MIPT end into a female-threaded fitting hand-tight, then wrench-tighten as appropriate for the connection type. Shut off water supply and clear the drain line of flow before beginning any fitting replacement or repair work.
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