NIBCO Sweat Fitting Coupling: 1 1/4 in CTS x 5/8 in CTS, Cup x FTG
SKU 3G-OTH-472546
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a NIBCO wrot copper sweat coupling used for?
A NIBCO wrot copper sweat coupling joins two copper tubes of different diameters—1 1/4 in CTS and 5/8 in CTS—in plumbing, HVAC, and refrigeration systems. It uses a cup x FTG (fitting) design for soldered connections, ensuring leak-free joints in potable water and hydronic heating lines.
What are the specifications of the NIBCO 600R 11/4X5/8 coupling?
This NIBCO sweat fitting coupling has a cup x FTG configuration and is made of wrot copper. It connects 1 1/4 in CTS to 5/8 in CTS copper tubing. The manufacturer part number is 600R 11/4X5/8, and it is designed for soldered installation in industrial piping systems.
Where to buy NIBCO wrot copper fittings in worldwide?
3G Electric supplies NIBCO wrot copper fittings like the 600R 11/4X5/8 coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on this or other copper tube fittings across 14 industrial departments.
How to install a NIBCO sweat coupling?
To install a NIBCO wrot copper sweat coupling, clean and flux the tube ends and fitting cup, then heat evenly with a torch until solder melts into the joint. Allow to cool without disturbance. Always follow local plumbing codes and use lead-free solder for potable water systems.
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.









