NIBCO Sweat Fitting Coupling: 4 in CTS x 2 1/2 in CTS, Cup x FTG, Wrot Copper (MPN 600R 4x21/2)
SKU 3G-OTH-472675
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Frequently Asked Questions
What is NIBCO 600R 4x21/2 wrot copper coupling used for?
This NIBCO sweat fitting coupling joins 4 in CTS and 2 1/2 in CTS copper tubing in plumbing, HVAC, and industrial piping systems. The cup x FTG design allows transition between different tube sizes, and wrot copper construction ensures corrosion resistance and reliable solder joints.
What are the specifications of NIBCO 600R 4x21/2 coupling?
This NIBCO wrot copper coupling has a cup x FTG configuration, connecting 4 in CTS to 2 1/2 in CTS tubing. The manufacturer part number is 600R 4x21/2. It is designed for sweat/solder installation and is suitable for potable water, drainage, and industrial fluid handling applications.
Where to buy NIBCO 600R 4x21/2 coupling worldwide?
3G Electric supplies and delivers NIBCO 600R 4x21/2 wrot copper couplings worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination. Contact us for pricing and lead time.
How to install NIBCO sweat fitting coupling?
Clean and flux both tube ends and the cup interior. Insert tubes fully into the coupling, then heat evenly with a propane torch until solder melts and flows into the joint. Allow to cool naturally without quenching. Always follow local plumbing codes and use lead-free solder for potable water systems.
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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.









