NIBCO Sweat Fitting Union: 1/2 in CTS x 1/2 in Pipe, Cup x FNPT, Bronze (MPN 733LF 1/2)
SKU 3G-OTH-485696
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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 or a pipe to a threaded component, allowing easy disassembly for maintenance. It is commonly used in plumbing, HVAC, and industrial piping systems where low-lead bronze ensures safe potable water handling.
What are the specifications of the NIBCO 733LF 1/2 union?
The NIBCO 733LF 1/2 is a low-lead cast bronze sweat fitting union with a 1/2 inch CTS cup on one end and a 1/2 inch FNPT thread on the other. It is designed for copper tube connections and meets low-lead content requirements for potable water systems.
Where to buy NIBCO sweat fitting unions worldwide?
3G Electric supplies NIBCO sweat fitting unions worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine NIBCO parts like the 733LF 1/2 and deliver to your facility, ensuring compliance with local import requirements.
How to install a NIBCO sweat fitting union?
To install a NIBCO sweat fitting union, clean and flux the copper tube ends, then heat the cup end evenly until solder flows into the joint. For the threaded side, apply pipe thread sealant and tighten the FNPT connection. Always follow local plumbing codes and allow joints 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.









