NIBCO Sweat Fitting Coupling: 1/4 in CTS x 5/16 in CTS, Cup x FTG
SKU 3G-OTH-472563
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Frequently Asked Questions
What is NIBCO sweat fitting coupling used for?
This NIBCO wrot copper coupling joins 1/4 in CTS and 5/16 in CTS copper tubing in plumbing, HVAC, and refrigeration systems. The cup x FTG design allows one end to solder over tubing while the other connects to a fitting, ensuring leak-free joints in potable water or hydronic lines.
What are the specifications of NIBCO U600R 1/4x5/16 coupling?
The NIBCO U600R is a wrot copper sweat fitting coupling with cup x FTG configuration. It connects 1/4 in CTS to 5/16 in CTS tubing. The manufacturer part number is U600R 1/4x5/16. Wrot copper construction provides corrosion resistance and reliable solder joints for copper tube systems.
Where to buy NIBCO sweat fitting coupling in worldwide?
3G Electric supplies and delivers NIBCO U600R couplings 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 this wrot copper fitting for your plumbing or HVAC project.
How to install NIBCO sweat fitting coupling?
Clean and flux the tubing ends and cup interior of the NIBCO coupling. Assemble the cup end over 1/4 in CTS tubing and the FTG end over 5/16 in CTS tubing. Heat evenly with a torch until solder flows into the joint. Allow to cool naturally before pressure testing. Follow local plumbing codes.
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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.









