NIBCO Sweat Fitting Coupling: 3 in CTS x 3 in CTS, Cup x FTG, No Center Stop
SKU 3G-OTH-472261
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Frequently Asked Questions
What is a NIBCO 601 3 wrot copper coupling used for?
This NIBCO sweat fitting coupling joins two 3-inch CTS copper tubes in plumbing and HVAC systems. Its cup x FTG design with no center stop allows full flow, making it suitable for potable water, drainage, and refrigeration lines where a reliable, leak-free connection is required.
What are the specifications of the NIBCO 601 3 coupling?
The NIBCO 601 3 is a 3-inch CTS x 3-inch CTS wrot copper coupling with a cup x FTG (cup x female thread) configuration and no center stop. It is designed for sweat/solder installation and is manufactured by NIBCO, a trusted brand in plumbing fittings.
Where to buy NIBCO 601 3 wrot copper coupling worldwide?
3G Electric supplies and delivers the NIBCO 601 3 coupling worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, whether you are in North America, Europe, Asia, or the Middle East.
How to install a NIBCO sweat fitting coupling?
To install a NIBCO 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 disturbing. Always follow local plumbing codes and use lead-free solder for potable water systems to ensure a safe, durable connection.
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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.









