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The Viega 32163 PureFlow PEX tubing is a 300-foot coil of 1-inch outside diameter cross-linked polyethylene pipe designed for residential and commercial plumbing, hydronic heating, and radiant floor systems. PEX tubing has become the go-to choice for plumbers and mechanical contractors because it is flexible, freeze-resistant, and far easier to route through walls and framing than rigid copper or CPVC pipe. The red color coding on this coil identifies it as the hot-water line in standard plumbing installations, making it simple to distinguish supply runs at a glance during rough-in and service work. Viega is a well-established name in the plumbing and hydronic industry, known for producing PEX products that meet strict domestic manufacturing standards. The 32163 is part of the PureFlow series, which is engineered to deliver consistent wall thickness and reliable burst and pressure ratings across the full length of the coil. At 1 inch in outside diameter, this tubing is well suited for main distribution lines, manifold branch runs, and larger residential or light commercial water service applications. PEX is chlorine-resistant, scale-resistant, and will not pit or corrode the way metal pipe can over time. The flexibility of PEX also allows installers to make long sweeping bends without fittings, reducing potential leak points and cutting labor time on the job. This coil ships as a domestically produced product, which is important for projects requiring American-made materials. Whether you are roughing in a new build, repiping an existing structure, or installing a radiant heating loop, the Viega 32163 provides a dependable, code-compliant tubing solution in a contractor-friendly 300-foot coil.
The Viega 32163 PureFlow PEX tubing delivers a full 300 feet of flexible, corrosion-resistant 1-inch red tubing built for demanding plumbing and hydronic applications. Domestically manufactured and color-coded for hot-water lines, it is a reliable choice for professional plumbers and mechanical contractors.
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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