NIBCO Sweat Fitting Union: 1 1/4 in CTS x 1 1/4 in CTS, Cup x FTG, Cast Copper (MPN U733-11/4)
SKU 3G-OTH-469253
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Frequently Asked Questions
What is a NIBCO sweat fitting union used for?
A NIBCO sweat fitting union connects two copper pipes in a way that allows disassembly without cutting the line. It is commonly used in plumbing, HVAC, and industrial piping systems where future maintenance or component replacement is needed.
What are the specifications of the NIBCO U733-11/4 union?
The NIBCO U733-11/4 is a cast copper sweat fitting union with a 1 1/4 in CTS cup x FTG connection. It is designed for soldered installation and provides a reliable, leak-resistant joint in copper tubing systems.
Where to buy NIBCO U733-11/4 union in worldwide?
3G Electric supplies the NIBCO U733-11/4 union to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this cast copper sweat fitting union.
How to install a NIBCO sweat fitting union?
Clean and flux the pipe ends and fitting cups. Slide the union nut onto one pipe, then solder both cup joints. Tighten the union nut with wrenches to create a mechanical seal. Always follow local plumbing codes and use lead-free solder for potable water.
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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.









