NIBCO Sweat Fitting Union: 1 1/4 in CTS x 1 1/4 in Pipe, Cup x FNPT, Bronze (MPN 7333-11/4)
SKU 3G-OTH-469263
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a NIBCO sweat fitting union used for?
A NIBCO sweat fitting union connects and disconnects two pipe sections without cutting the line, ideal for plumbing, HVAC, and industrial piping systems. This bronze union joins 1 1/4 in CTS copper tube to 1 1/4 in female NPT threaded pipe, enabling maintenance access.
What are the specifications of the NIBCO 7333-11/4 union?
The NIBCO 7333-11/4 is a cast bronze sweat fitting union with a Cup x FNPT connection. It fits 1 1/4 in CTS copper tube on the cup end and 1 1/4 in female NPT pipe on the threaded end. The bronze construction resists corrosion in water and steam applications.
Where to buy NIBCO 7333-11/4 union worldwide?
3G Electric supplies the NIBCO 7333-11/4 bronze sweat fitting union to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other NIBCO fittings across our 14 industrial departments.
How to install a NIBCO sweat fitting union?
To install a NIBCO sweat fitting union, clean and flux the copper tube end, then solder the cup connection using a torch. Apply pipe thread sealant to the FNPT end and tighten the union nut by hand plus a wrench. Always follow local plumbing codes and manufacturer guidelines.
Used in
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.









