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The MUELLER STREAMLINE w 01634cb is a 3/4-inch copper 90-degree elbow fitting designed for sweat (female soldered x female soldered) connections in residential and industrial plumbing systems. It conforms to ASME B16.22 and carries a close-rough type classification. The fitting is precision-polished and cleaned of oil and grease during manufacturing, making it suitable for demanding environments such as medical facilities, food processing plants, clean rooms, and research labs. It measures 1.79 inches in length, 1.79 inches in width, and 0.97 inches in height, and weighs 0.10 pounds. Licensed plumbers and pipefitters install this fitting as part of copper distribution systems where a 90-degree directional change is required.
This elbow is rated for temperatures from 350 degrees F to 550 degrees F, making it appropriate for a wide range of residential and industrial applications. It is suited for potable water supply lines, hydronic heating systems, and process piping where a clean, polished copper fitting is required. The KLEENFIT designation reflects the enhanced cleaning and polishing process applied at the factory, which supports use in sensitive applications where contamination control matters. Sold individually, with 50 units per master carton.
Designed as an OEM-style replacement or new-installation fitting compatible with standard 3/4-inch copper tubing in residential and industrial plumbing systems conforming to ASME B16.22 sweat-joint specifications.
Installation is performed by a licensed plumber using standard copper sweat-soldering techniques. Shut off and drain the affected water or fluid line before cutting and fitting. Clean and flux all mating tube ends per the fitting manufacturer and applicable plumbing code requirements before applying heat. Reference IPC or local plumbing code for required support spacing and inspection requirements on copper piping systems.
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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