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The ASC Engineered Solutions 500421086 is a copper plated riser clamp designed to support vertical copper tube size (CTS) piping in plumbing and mechanical systems. Sized for 3-inch CTS pipe, this clamp secures risers at floor or ceiling penetrations, preventing vertical movement caused by pipe weight, thermal expansion, and building vibration. The copper plating provides galvanic compatibility with copper piping systems, reducing the risk of corrosive interaction at the contact point. At 1.13 pounds, the clamp is a solid, purpose-built bracket intended for professional installation in commercial and residential mechanical rooms, multi-story plumbing stacks, and similar applications.
This riser clamp is suited for use in vertical copper piping installations where pipe support at floor sleeves or structural members is required. Typical applications include multi-story domestic water distribution, hot and cold supply risers, and hydronic heating or cooling distribution piping using CTS copper. It is installed by licensed plumbers and pipefitters working on new construction and retrofit projects where code-compliant pipe support intervals must be maintained.
Designed as an OEM-style replacement and standard-fit riser clamp for 3-inch copper tube size vertical piping systems in residential and commercial plumbing installations.
Installation is performed by a licensed plumber or pipefitter. Shut off and depressurize the piping system before performing any work on or near the supported riser. The clamp should be secured to a structural member, floor sleeve, or approved pipe hanger support in accordance with IPC and local plumbing code spacing requirements for vertical pipe support. Do not overtighten the clamp to the point of deforming the pipe wall.
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