NIBCO Sweat Fitting Union: 3/8 in CTS x 3/8 in Pipe, Cup x MNPT, Cast Copper (MPN 7334-LF 3/8)
SKU 3G-OTH-485597
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Frequently Asked Questions
What is NIBCO sweat fitting union used for?
This NIBCO sweat fitting union connects 3/8 in CTS copper tube to 3/8 in male NPT pipe in low-lead cast copper. It is used in potable water, HVAC, and plumbing systems where a reliable, leak-free joint is required.
What are the specifications of NIBCO 7334-LF 3/8?
The NIBCO 7334-LF 3/8 is a low-lead cast copper sweat fitting union with a cup x MNPT connection. It fits 3/8 in CTS tube on one side and 3/8 in male NPT pipe on the other. The material is cast copper for durability.
Where to buy NIBCO sweat fitting union worldwide?
3G Electric supplies NIBCO sweat fitting unions worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the NIBCO 7334-LF 3/8 union for your project.
How to install a NIBCO sweat fitting union?
Clean and flux the copper tube end, then insert into the cup side of the NIBCO union. Heat evenly with a torch until solder flows into the joint. For the male NPT side, apply thread sealant and tighten to the pipe. Allow to cool before pressurizing.
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Common applications for NIBCONIBCO Products
3G Electric supplies NIBCO low-lead cast copper & bronze tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









