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The Mueller Streamline W04082 is a wrot copper reducing tee designed for use in above-ground potable water supply and pressurized plumbing systems. This fitting connects three copper pipes using a cup-by-cup-by-cup (C x C x C) solder joint configuration. The two in-line ends accept 1-inch copper pipe, while the branch outlet accepts 1-1/4-inch copper pipe. This size combination makes the W04082 useful when a branch line needs to step up in diameter or when combining flows from a larger line into a smaller run. Plumbers, pipefitters, and mechanical contractors rely on this type of reducing tee to manage flow direction and pipe size transitions in a single fitting. Wrot copper is formed from wrought copper stock, which gives it a refined grain structure, high strength, and excellent resistance to corrosion. This makes wrot copper fittings a preferred choice for long-lasting potable water systems in residential, commercial, and light industrial settings. The solder joint end type, also called a sweat fitting, requires standard copper soldering techniques using flux and lead-free solder. This connection method creates a strong, leak-resistant seal that meets the demands of pressurized water supply lines. The W04082 is manufactured to meet multiple ASME standards including B16.22, which governs wrought copper and copper alloy solder-joint pressure fittings. It also carries NSF 61G certification, confirming it is safe for contact with drinking water. Mueller Streamline has been producing copper solder-joint fittings for over 80 years and is widely recognized across the plumbing industry for consistent quality and dimensional accuracy. At 0.31 pounds, this fitting is compact and easy to handle on the job. Contractors working on water distribution, hydronic heating, or general plumbing rough-in will find this fitting meets standard code and specification requirements.
The Mueller Streamline W04082 reducing tee delivers a code-compliant, NSF-certified wrot copper solder joint fitting for potable water supply systems. Its 1 inches x 1 inches x 1-1/4 inches configuration handles pipe size transitions in a single, durable fitting.
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