NIBCO Sweat Fitting Adapter: 1 in CTS x 1 in Pipe, Cup x FNPT, Wrot Copper (MPN 603 1)
SKU 3G-OTH-472221
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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 1 in CTS x 1 in Pipe Cup x FNPT design joins a soldered cup end to a female NPT thread, enabling transitions between copper and threaded connections.
What are the specifications of the NIBCO 603 1 sweat fitting adapter?
The NIBCO 603 1 is a wrot copper sweat fitting adapter with a 1 in CTS cup end and a 1 in FNPT threaded end. It is designed for soldered installation and meets standard plumbing requirements for copper tube fittings.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to source the NIBCO 603 1 or other wrot copper fittings for your project.
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 and apply solder to form a leak-free joint. The FNPT end requires thread sealant and hand tightening. Follow standard soldering practices for wrot copper fittings.
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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.









