NIBCO Sweat Fitting Union: 1 1/2 in CTS x 1 1/2 in CTS, Cup x FTG, Cast Copper (MPN C733-11/2)
SKU 3G-OTH-469244
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Frequently Asked Questions
What is a NIBCO sweat fitting union used for?
A NIBCO sweat fitting union connects and disconnects copper tubing in plumbing and HVAC systems without cutting the pipe. It joins two 1 1/2 in CTS copper lines using a cup x FTG design, allowing easy maintenance or repair access in commercial and industrial piping applications.
What are the specifications of the NIBCO C733-11/2 union?
The NIBCO C733-11/2 is a cast copper sweat fitting union with 1 1/2 in CTS cup x FTG connections. It is designed for soldered installation on copper tubing, providing a reliable, leak-resistant joint in plumbing, heating, and process piping systems.
Where to buy NIBCO C733-11/2 union worldwide?
3G Electric supplies the NIBCO C733-11/2 cast copper union to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders, ensuring you receive genuine NIBCO fittings for your industrial piping needs.
How to install a NIBCO sweat fitting union?
Clean and flux the 1 1/2 in CTS copper tube ends and the cup x FTG connections of the NIBCO union. Assemble the union, apply heat evenly with a torch until solder melts into the joint, then allow to cool. Follow standard copper sweat fitting practices for a secure seal.
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Common applications for NIBCONIBCO Products
3G Electric supplies NIBCO cast copper & bronze tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









