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The JONES STEPHENS D50998 is a plumbing extension fitting designed to bridge a 1-inch to 2-inch size range. Extensions like this are used to lengthen or adapt pipe runs where standard fittings fall short of reaching the intended connection point. This part is sold as a single unit and is typically installed by licensed plumbers during rough-in, repair, or retrofit work on residential or light commercial piping systems. Its straightforward design makes it a practical stock item for service vans and shop inventory alike.
This extension is suited for plumbing applications where a size transition or length adjustment is needed between 1-inch and 2-inch pipe connections. It fits common scenarios such as drain line extensions, trap arm adjustments, or supply line adaptations. Plumbers working on fixture installations, remodels, or service calls will find this fitting applicable across a range of standard piping configurations.
Designed as an OEM-style replacement or service fitting for residential and light commercial plumbing extension applications in the 1-inch to 2-inch pipe size range.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC guidelines. Shut off the water supply and depressurize the line before removing or installing any fitting. Ensure mating pipe ends are clean, deburred, and properly prepared for the connection type used. Do not overtighten fittings, as this can damage threads or sealing surfaces.
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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