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The ASC Engineered Solutions 500421052 is a copper plated riser clamp designed to support vertical copper tube size (CTS) piping runs through floor penetrations and structural assemblies. At 1-1/2 inches, this clamp transfers pipe load to the building structure, preventing axial movement and keeping vertical runs properly aligned. Weighing 1.03 pounds, it is sized for standard residential and light commercial plumbing installations. Licensed plumbers and pipefitters install riser clamps during rough-in on multi-story construction and riser retrofits where pipe support at each floor level is required by code.
This riser clamp is suited for vertical CTS copper piping in residential and commercial plumbing systems. It is commonly installed at floor penetrations in multi-story buildings to bear the weight of the pipe column and its contents. The copper plating provides surface compatibility with copper tube, reducing the risk of galvanic corrosion at the contact point. It fits 1-1/2 inch CTS pipe and is appropriate for domestic water supply risers and similar vertical distribution applications.
Designed as an OEM-style replacement and standard installation fitting for 1-1/2 inch copper tube size (CTS) vertical piping systems in residential and commercial plumbing applications.
Riser clamps are installed by licensed plumbers in accordance with applicable plumbing codes such as the IPC and local amendments. Shut off water supply and depressurize the line before modifying any pipe support arrangement. The clamp should bear on the floor structure or a supporting bracket — do not rely on the clamp alone to carry load if the structural opening is oversized. Verify that the copper plated contact surface is clean and free of debris before tightening.
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