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The AMERICAN GRANBY NLCBXFC54 is a 1-inch by 3/4-inch PEX x FIP adapter used to transition between PEX tubing and female iron pipe threaded connections in plumbing systems. This fitting connects a 1-inch PEX line to a 3/4-inch female iron pipe thread, making it a practical solution when reducing or transitioning between pipe types during installation or repair. Licensed plumbers and experienced installers typically use this type of fitting in residential and light commercial water distribution systems where PEX tubing meets threaded metal or plastic pipe fittings.
This adapter is suited for residential plumbing applications where PEX tubing is used as the primary water supply line and a threaded female iron pipe connection is required at a fixture, valve, or manifold. It is sold as a single unit, making it easy to order the exact quantity needed for a specific job. Verify the inlet and outlet sizes against your existing piping before installation.
Designed as an OEM-style replacement or new-installation fitting for residential plumbing systems using 1-inch PEX tubing with a 3/4-inch female iron pipe threaded termination point.
Installation of this fitting should be performed by a licensed plumber in accordance with local plumbing codes and the IPC. Shut off the water supply and relieve system pressure before making any connections. Use the appropriate PEX crimp or clamp tool rated for the tubing size, and apply thread sealant or PTFE tape to the FIP threads before assembly. Do not overtighten threaded connections on plastic or soft-metal fittings.
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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