NIBCO Sweat Fitting Coupling: 3 1/2 in CTS x 3 1/2 in CTS, Cup x FTG
SKU 3G-OTH-472385
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Frequently Asked Questions
What is NIBCO 600DS 31/2 sweat fitting coupling used for?
This NIBCO wrot copper tube coupling joins two 3 1/2 in CTS copper pipes in plumbing, HVAC, and industrial fluid systems. The dimple center stop ensures correct insertion depth for reliable solder joints.
What are the specifications of NIBCO 600DS 31/2 sweat fitting coupling?
This NIBCO coupling is 3 1/2 in CTS x 3 1/2 in CTS, cup x FTG with a dimple center stop. It is a wrot copper tube fitting, MPN 600DS 31/2, designed for sweat/solder connections in copper piping systems.
Where to buy NIBCO 600DS 31/2 sweat fitting coupling worldwide?
3G Electric supplies and delivers the NIBCO 600DS 31/2 coupling worldwide. We handle full logistics and customs clearance, sourcing genuine industrial fittings across 14 departments including plumbing and HVAC.
How to install NIBCO 600DS 31/2 sweat fitting coupling?
Clean pipe ends and fitting cup, apply flux, insert pipe to the dimple center stop, heat evenly, and apply solder until a visible ring forms. Allow to cool naturally. Follow standard copper sweat fitting practices for reliable joints.
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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.









