NIBCO Sweat Fitting Adapter: 2 in CTS x 2 in Pipe, Cup x FNPT, Wrot Copper (MPN 603 2)
SKU 3G-OTH-472320
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Frequently Asked Questions
What is a NIBCO sweat fitting adapter used for?
A NIBCO sweat fitting adapter connects copper tubing to threaded pipe in plumbing and HVAC systems. The 2 in CTS x 2 in Pipe cup x FNPT design joins a soldered copper line to a female threaded connection, enabling transitions in water supply, heating, and industrial fluid handling.
What are the specifications of the NIBCO 603 2 sweat fitting adapter?
The NIBCO 603 2 is a wrot copper sweat fitting adapter with a 2 in CTS cup end and 2 in FNPT threaded end. It is designed for soldered connections on the cup side and threaded pipe on the FNPT side, suitable for potable water and HVAC applications up to standard copper fitting pressure ratings.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine NIBCO fittings like the 603 2 to industrial buyers, ensuring proper documentation and reliable shipping to any destination.
How to install a NIBCO sweat fitting adapter?
To install a NIBCO sweat fitting adapter, clean and flux the copper tube and cup end, then heat evenly and apply solder until it flows fully into the joint. For the FNPT side, use thread sealant and tighten to standard torque. Always follow local plumbing codes and manufacturer guidelines for best results.
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Common applications for NIBCONIBCO Products
3G Electric supplies NIBCO wrot copper tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









