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The MERIT BRASS MB12630 is a copper reducing fitting designed to transition between two different pipe sizes in a press-fit or solder-joint plumbing system. Configured as a 2-inch by 1-1/4-inch fitting-by-press connection, it allows a licensed plumber to step down pipe diameter inline without threading or soldering on the larger end. The fitting is suited for potable water supply lines, hydronic heating loops, and commercial or residential plumbing distribution systems where a clean, durable pipe reduction is required.
This fitting is used in applications where copper pipe systems require a reduction in line size, typically at branch takeoffs, manifold connections, or equipment supply points. The fitting-by-press configuration makes it a practical choice for retrofit and new construction work where press tooling is available, reducing open-flame requirements on the job site. It is appropriate for both residential and light commercial plumbing installations.
Designed as an OEM-style replacement or new-installation fitting for copper pipe plumbing systems requiring a 2-inch to 1-1/4-inch inline reduction with a fitting-by-press end configuration.
Installation should be performed by a licensed plumber in accordance with applicable local plumbing codes and IPC guidelines. Shut off and depressurize the water supply line completely before cutting into existing pipe. Press connections require a calibrated press tool with the correct jaw profile for the fitting diameter. Inspect the press sleeve and pipe ends for burrs or debris before making the connection to ensure a proper seal.
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