NIBCO Sweat Fitting Adapter: 1/4 in CTS x 1/4 in Pipe, Cup x FNPT, Wrot Copper (MPN 603-1/4)
SKU 3G-OTH-472293
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is NIBCO 603-1/4 sweat fitting adapter used for?
This NIBCO wrot copper adapter joins 1/4 in CTS copper tube to a 1/4 in female NPT threaded pipe. It is used in plumbing, HVAC, and industrial fluid systems where a leak-tight transition from solder cup to threaded connection is required.
What are the specifications of NIBCO 603-1/4 sweat fitting adapter?
The NIBCO 603-1/4 is a wrot copper sweat fitting adapter with a 1/4 in CTS cup x 1/4 in FNPT connection. It is designed for soldered installation on copper tube and provides a reliable transition to threaded pipe in low-pressure applications.
Where to buy NIBCO 603-1/4 sweat fitting adapter worldwide?
3G Electric supplies the NIBCO 603-1/4 sweat fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this wrot copper adapter.
How to install NIBCO 603-1/4 sweat fitting adapter?
Clean and flux the copper tube end and the cup of the NIBCO 603-1/4 adapter. Assemble the tube fully into the cup, then apply heat evenly until solder flows into the joint. Allow to cool before pressurizing the system.
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.









