NIBCO Sweat Fitting Union: 2 1/2 in CTS x 2 1/2 in Pipe, Cup x MNPT, Bronze (MPN 733-4-LF 21/2)
SKU 3G-OTH-485598
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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 a low-lead bronze system, allowing easy disassembly for maintenance or repair. It is commonly used in potable water, HVAC, and industrial plumbing applications where a reliable, leak-free joint is required.
What are the specifications of the NIBCO 733-4-LF 21/2 union?
This NIBCO union is a 2 1/2 in CTS x 2 1/2 in pipe size, cup x MNPT connection type, made from low-lead bronze. The manufacturer part number is 733-4-LF 21/2. It is designed for sweat installation 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 for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine NIBCO parts like the 733-4-LF 21/2 union to customers in any country.
How to install a NIBCO bronze sweat union?
To install a NIBCO bronze sweat union, clean and flux the pipe ends and fitting cups, then heat evenly with a torch until solder melts into the joint. Allow to cool without disturbance. Ensure the union nut is tightened after soldering for a leak-free seal. Follow local plumbing codes.
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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.
