NIBCO Sweat Fitting Adapter: 2 in CTS x 1 1/2 in Pipe, Cup x FNPT, Wrot Copper (MPN 603R 2x11/2)
SKU 3G-OTH-472548
Need installation or engineering help?
Ask a question
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. This 2 in CTS x 1 1/2 in Pipe cup x FNPT wrot copper adapter joins a copper tube to a female threaded connection, enabling transitions between different piping materials.
What are the specifications of the NIBCO 603R 2x11/2 sweat fitting adapter?
The NIBCO 603R 2x11/2 is a wrot copper sweat fitting adapter with a cup x FNPT connection. It fits 2 in CTS copper tube on one side and 1 1/2 in pipe on the other. The cup end is soldered, while the FNPT end accepts male threaded pipe.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters like the 603R 2x11/2 to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact us to source this wrot copper adapter for your plumbing or industrial application.
How to install a NIBCO sweat fitting adapter?
To install a NIBCO sweat fitting adapter, clean and flux the copper tube end and cup interior. Heat the cup evenly with a torch until solder melts into the joint. For the FNPT end, apply thread sealant and tighten onto male pipe threads. Follow standard soldering safety practices.
Used in
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.









