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The RWC UC956A is a pack of 1-inch stainless steel PEX cinch clamp rings designed for use with barb fittings in PEX plumbing systems. Each ring is tightened using a standard PEX clamp tool, creating a secure, leak-resistant connection at the fitting joint. Fabricated from stainless steel, these cinch clamps resist corrosion in both potable water and radiant heating applications. The pack ships with a minimum order quantity of one, making them practical for both single-repair and bulk rough-in work. Licensed plumbers and pipefitters rely on these rings for fast, reliable PEX connections in residential and light commercial installations.
These clamp rings are suited for residential and light commercial PEX plumbing installations where barb-style fittings are used. Typical applications include domestic hot and cold water supply lines, hydronic radiant floor heating distribution, and PEX manifold branch connections. The 1-inch size accommodates 1-inch PEX tubing, which is commonly found in main supply runs and larger branch lines. Any standard PEX clamp tool rated for rings up to 1 inch in diameter is compatible with these rings, keeping tooling requirements minimal on the job.
Designed for use with 1-inch PEX barb fittings in PEX plumbing systems; compatible with any PEX clamp tool that accommodates clamp rings up to 1 inch in diameter.
Installation is typically performed by a licensed plumber in accordance with applicable IPC and local plumbing code requirements. Shut off and depressurize the water supply before beginning any fitting work. Position the cinch clamp ring over the PEX tubing, seat the tubing fully onto the barb fitting, slide the ring to within approximately 0.25 inches of the tubing end, and tighten with a PEX clamp tool until the ear is fully closed. Do not reuse a clamp ring once it has been cinched.
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