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The MUELLER STREAMLINE BUS00225 is a wrot copper straight-solder reducer fitting used to transition between two different pipe sizes in a copper plumbing system. Wrot copper construction means the fitting is wrought and formed from solid copper, giving it the density and pressure tolerance required for potable water, hydronic heating, and refrigeration lines. The BUS00225 connects a 1-inch line to a 3/4-inch line using a straight-solder end configuration. It measures 1.94 inches in length and 1.24 inches in height and width, with an actual weight of 0.12 pounds. Licensed plumbers and pipefitters install this type of fitting as a standard component in pipe reduction runs.
This reducer is suited for residential and light commercial plumbing applications where a pipe run steps down from 1 inch to 3/4 inch. Typical install scenarios include water supply mains transitioning to branch lines, hydronic baseboard loops, and copper refrigeration or ACR piping systems. The straight-solder design requires a standard sweat connection on both ends, making it a straightforward inline fitting with no threading or compression components involved.
Designed as an OEM-style replacement and standard-use reducer for copper pipe systems requiring a 1-inch to 3/4-inch straight-solder transition.
Installation is performed by licensed plumbers or pipefitters. Shut off the water supply and fully depressurize and drain the line before cutting and fitting. Clean all pipe ends and fitting cups with emery cloth and apply flux before soldering per standard sweat-connection procedure. Work must comply with applicable local plumbing codes and IPC guidelines for copper solder joints.
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