Meet the Legend 1-1/4 in. CTS x 1-1/4 in. D Stainless Steel Insert Stiffener — a purpose-built reinforcement designed for 1-1/4" copper tube size (CTS) systems. Crafted from durable, corrosion-resistant stainless steel, this insert stiffener preserves end integrity and supports reliable, long-lasting connections in demanding plumbing and radiant heating applications.
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Dual CTS ends: 1-1/4" CTS on both ends for straightforward compatibility with standard fittings and adapters.
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Stainless steel construction: robust, corrosion-resistant material that stands up to moisture, chemicals, and varied install environments.
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Maintains end integrity: helps prevent wall deformation and end collapse during assembly, ensuring a consistent bore for dependable flow and seal performance.
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Bagged packaging: clean, organized packaging that simplifies inventory and protects the stiffener before use.
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Professional-grade reinforcement: engineered for installers who demand consistent, reliable results in tight spaces, behind panels, or at joint-heavy connections.
Use cases and applications
Ideal for reinforcing 1-1/4" CTS tubing in potable water or radiant heating systems where joints and fittings are exposed to movement or stress. Perfect for installations that require maintaining roundness and wall integrity at the connection points, helping to minimize leaks and service interruptions in both new builds and repairs.
Why choose Legend insert stiffeners
Legend’s insert stiffeners are designed to deliver consistent performance where it matters most — at the point of connection. The stainless steel construction provides durability in varying environments, while the CTS end design ensures a secure, precise fit with standard components. For professionals stocking a reliable, easy-to-specify reinforcement, this part offers a straightforward way to protect tubing integrity without sacrificing flow or efficiency.
Specifications
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End 1 diameter: 1-1/4" • End 1 type: CTS
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End 2 diameter: 1-1/4" • End 2 type: CTS
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Material: Stainless Steel
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Packaging: Bagged
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Product type: Insert Stiffener
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Brand: Legend