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The NIBCO PRESCOUP2 is a 2-inch copper press-style coupling with an integral stop, designed for use in pressurized water and hydronic piping systems. The press-fit connection eliminates open flame, allowing techs to make leak-tight joints in tight spaces or near combustible materials without soldering. The internal stop positions pipe consistently for a reliable, repeatable crimp. This fitting is installed by licensed plumbers and pipefitters working on residential and light commercial systems.
This coupling is suited for hot and cold water supply lines, hydronic heating loops, and similar copper piping applications where press-fit tooling is available. The Press x Press end configuration allows it to connect two straight runs of copper tubing without soldering or brazing. It is particularly useful during retrofits or repairs where torch use is restricted or impractical.
Designed as an OEM-style press-fit replacement and new-installation coupling for 2-inch copper tubing in residential and light commercial plumbing and hydronic heating systems.
Installation requires a calibrated press tool compatible with the fitting series — confirm tool jaw sizing before beginning work. Shut off and depressurize the system and drain the line before fitting insertion. Follow IPC and local plumbing code requirements for copper press fittings, including any required inspection of the crimp joint. Do not attempt to press a fitting on a wet or pressurized line, as an incomplete crimp will result.
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