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The ELKHART PRODUCTS B026850 is a 4-inch lead-free cast brass female adapter used to transition from copper tubing to female threaded pipe connections. It uses a CxF (copper-by-female) solder configuration, making it a standard fitting for plumbing systems where a copper sweat end must connect to a female NPT threaded fitting or valve. At 4.234 pounds and built from lead-free brass, this adapter meets current potable water safety requirements. It is installed by licensed plumbers and pipefitters in both residential and commercial plumbing applications.
This adapter is suited for use in water distribution systems, mechanical rooms, and commercial plumbing installations where 4-inch copper pipe transitions to threaded connections. The cast brass construction handles the demands of pressure water service. The CxF configuration is a common requirement when connecting copper mains to threaded valves, flanges, or other threaded fittings in larger-diameter plumbing assemblies.
Designed as an OEM-style replacement or new-installation fitting for 4-inch copper plumbing systems requiring a female threaded outlet connection in residential and commercial water service applications.
Installation is performed by a licensed plumber. Shut off and drain the water supply before cutting into the line or making any connections. The copper sweat end requires standard soldering tools and lead-free solder per applicable plumbing codes including IPC and local authority requirements. Do not over-tighten the female threaded connection, and use appropriate thread sealant on the NPT threads.
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