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The NIBCO INC W00830D is a 1-1/2 inch copper coupling with an integrated dimple stop, designed for sweat-solder copper tube connections in plumbing and hydronic systems. The fitting connects two lengths of copper tube end-to-end using standard solder cup ends (CxC). The built-in dimple stop positions each tube at the correct insertion depth before soldering, resulting in a consistent, leak-free joint. This is a lead-free fitting, meeting safe drinking water requirements. It is installed by licensed plumbers and pipefitters in residential and light commercial applications.
This fitting is well suited for domestic water supply, hydronic heating distribution, and general copper piping systems where a straight inline connection is required. The C600 series solder coupling is a standard trade fitting stocked for repair, renovation, and new construction work. It is sold in packages of 10 units, making it practical for jobs requiring multiple connections on the same run of 1-1/2 inch copper tube.
Designed as an OEM-style replacement and standard trade fitting for 1-1/2 inch outside diameter copper tube using CxC sweat-solder connections in residential and commercial plumbing systems.
Installation is performed by a licensed plumber or pipefitter. Shut off the water supply and fully drain the line before cutting and fitting. Clean and flux both tube ends and fitting cups thoroughly before applying heat; proper flux coverage and tube seating against the dimple stop are critical for a sound joint. Work complies with applicable IPC and local plumbing codes for lead-free solder fittings on potable water systems.
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