NIBCO Sweat Fitting Coupling: 3/8 in CTS x 3/8 in CTS, Cup x FTG, No Center Stop
SKU 3G-OTH-472285
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Frequently Asked Questions
What is NIBCO 601-3/8 sweat fitting coupling used for?
This NIBCO wrot copper coupling joins 3/8 in CTS copper tubing in plumbing and HVAC systems. Its cup x FTG design with no center stop allows continuous flow, making it suitable for potable water, hydronic heating, and refrigeration lines where a reliable solder connection is required.
What are the specifications of NIBCO 601-3/8 sweat fitting coupling?
The NIBCO 601-3/8 is a wrot copper sweat fitting coupling with 3/8 in CTS x 3/8 in CTS connections, cup x FTG configuration, and no center stop. It is designed for soldered joints in copper tubing systems, providing a leak-resistant seal in plumbing and mechanical applications.
Where to buy NIBCO 601-3/8 sweat fitting coupling worldwide?
3G Electric supplies the NIBCO 601-3/8 wrot copper coupling to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this and other NIBCO fittings.
How to install NIBCO 601-3/8 sweat fitting coupling?
Clean the 3/8 in CTS copper tube ends and the cup interior of the NIBCO coupling with emery cloth. Apply flux, insert tube fully into the cup, and 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.









