NIBCO Sweat Fitting Union: 3/8 in CTS x 3/8 in CTS, Cup x FTG, Cast Copper (MPN 733-3/8)
SKU 3G-OTH-469262
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Frequently Asked Questions
What is NIBCO sweat fitting union 733-3/8 used for?
This NIBCO sweat fitting union connects two 3/8 inch CTS copper tubes in plumbing and HVAC systems. Its cup x FTG design allows for soldered installation, providing a reliable, leak-resistant joint in potable water, hydronic heating, and industrial piping applications.
What are the specifications of NIBCO 733-3/8 union?
The NIBCO 733-3/8 is a cast copper sweat fitting union with 3/8 inch CTS cup x FTG connections. It is designed for soldered assembly and is suitable for use with copper tubing in plumbing and mechanical systems. The manufacturer part number is 733-3/8.
Where to buy NIBCO 733-3/8 union worldwide?
3G Electric supplies the NIBCO 733-3/8 cast copper union to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this sweat fitting union for your industrial or commercial project.
How to install NIBCO sweat fitting union 733-3/8?
Clean and flux the 3/8 inch CTS copper tube ends and the cup x FTG fitting. Assemble the union, then apply heat evenly with a torch until solder flows into the joint. Allow to cool naturally. Follow standard copper piping practices for pressure testing before system startup.
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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.
