NIBCO Sweat Fitting Union: 3/4 in CTS x 3/4 in Pipe, Cup x MNPT, Cast Copper (MPN U7334-3/4)
SKU 3G-OTH-469289
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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 plumbing and HVAC systems, allowing easy disassembly for maintenance. The 3/4 in CTS x 3/4 in Pipe, Cup x MNPT design joins a copper tube to a male threaded pipe, providing a leak-resistant joint in potable water, hydronic heating, and industrial fluid lines.
What are the specifications of the NIBCO U7334-3/4 union?
The NIBCO U7334-3/4 is a cast copper sweat fitting union with a Cup x MNPT connection. It measures 3/4 in CTS on the cup end and 3/4 in pipe on the male threaded end. The cast copper construction offers durability and corrosion resistance for plumbing and industrial applications.
Where to buy NIBCO U7334-3/4 union worldwide?
3G Electric supplies the NIBCO U7334-3/4 cast copper union to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this sweat fitting union.
How to install a NIBCO sweat fitting union?
To install a NIBCO sweat fitting union, clean and flux the copper tube and cup end, then heat evenly and apply solder until it flows into the joint. For the threaded side, use pipe thread sealant on the male NPT threads and tighten securely. Always follow local plumbing codes and manufacturer guidelines.
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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.









