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The MUELLER STREAMLINE w 02088cb is a 3-inch copper 90-degree elbow fitting designed for sweat (female soldered x female soldered) connections in pressurized copper piping systems. Built to ASME B16.22 standards, this close-rough elbow handles temperatures from 350 to 550 degrees F, making it suitable for both industrial and residential plumbing and hydronic applications. Each fitting is brightly polished and cleaned of oil and grease during manufacturing, which supports clean, oxide-free joints when brazed or soldered by a licensed plumber or pipefitter.
This fitting is appropriate for residential water distribution, industrial process piping, medical facility plumbing, food processing plants, clean room installations, and research laboratory systems where a clean, code-compliant copper joint is required. The 90-degree turn in a close-rough profile keeps the fitting compact in tight spaces. Its polished interior surface minimizes contamination risk in sensitive environments. The CxC end connections accept standard 3-inch copper tube per ASME B16.22.
Designed as an OEM-style replacement or new-installation fitting for 3-inch copper tube systems using CxC sweat connections in residential and industrial piping applications conforming to ASME B16.22.
Installation should be performed by a licensed plumber or qualified pipefitter in accordance with applicable local plumbing codes and ASME standards. Shut off the water supply and fully depressurize and drain the line before cutting into existing piping. Surfaces must be clean, dry, and properly fluxed before soldering or brazing. Do not apply heat to a pressurized or water-filled line.
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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