NIBCO Sweat Fitting Adapter: 1 1/2 in CTS x 1 1/2 in Pipe, Cup x FNPT
SKU 3G-OTH-472584
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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 cup end solders onto 1 1/2 in CTS copper tube, while the FNPT end accepts a 1 1/2 in male threaded pipe, enabling a reliable transition between joining methods.
What are the specifications of the NIBCO 603-11/2 sweat fitting adapter?
The NIBCO 603-11/2 is a wrot copper sweat fitting adapter with a cup x FNPT connection. It fits 1 1/2 in CTS copper tube on the cup end and 1 1/2 in pipe on the FNPT end. The manufacturer part number is 603-11/2, and it is designed for soldered installation.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the NIBCO 603-11/2 or other wrot copper fittings.
How to install a NIBCO sweat fitting adapter?
To install a NIBCO sweat fitting adapter, clean and flux the cup end and the 1 1/2 in CTS copper tube. Slide the cup over the tube, heat evenly with a torch, and apply solder until it flows into the joint. Allow to cool before pressurizing. Always follow local plumbing codes.
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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.









