NIBCO Sweat Fitting Coupling: 1 in CTS x 3/8 in CTS, Cup x FTG, Wrot Copper (MPN 600R 1X3/8)
SKU 3G-OTH-472569
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Frequently Asked Questions
What is a NIBCO sweat fitting coupling used for?
A NIBCO sweat fitting coupling joins two copper tube ends in plumbing, HVAC, or refrigeration systems. This 1 in CTS x 3/8 in CTS cup x FTG wrot copper adapter connects different pipe sizes for branch lines or transitions.
What are the specifications of the NIBCO 600R 1X3/8 coupling?
The NIBCO 600R 1X3/8 is a wrot copper sweat fitting coupling with a cup x FTG configuration. It connects 1 in CTS to 3/8 in CTS copper tube. The manufacturer part number is 600R 1X3/8, and the SKU is 39R622.
Where to buy NIBCO sweat fittings in worldwide?
3G Electric supplies NIBCO sweat fittings like the 600R 1X3/8 coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this wrot copper fitting.
How to install a NIBCO sweat fitting coupling?
Clean and flux both copper tube ends and the fitting cup. Assemble the NIBCO coupling onto the tubes, then heat evenly with a torch until solder melts into the joint. Allow to cool naturally before pressurizing the system.
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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.









