NIBCO Sweat Fitting Union: 2 1/2 in CTS x 2 1/2 in Pipe, Cup x FNPT, Bronze (MPN 733-3-LF 21/2)
SKU 3G-OTH-485671
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Frequently Asked Questions
What is a NIBCO sweat fitting union used for?
A NIBCO sweat fitting union connects and disconnects two copper pipes without cutting the line, ideal for plumbing, HVAC, and industrial piping systems. This 2 1/2 in CTS x 2 1/2 in Pipe, Cup x FNPT, Bronze union provides a reliable, leak-resistant joint for maintenance or repair access.
What are the specifications of the NIBCO 733-3-LF 21/2 union?
The NIBCO 733-3-LF 21/2 is a low-lead cast bronze sweat fitting union with a Cup x FNPT connection. It fits 2 1/2 in CTS copper tube on one side and 2 1/2 in female NPT pipe on the other, rated for use in potable water systems.
Where to buy a NIBCO sweat fitting union worldwide?
3G Electric supplies the NIBCO 733-3-LF 21/2 bronze sweat fitting union to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you get the correct low-lead fitting for your piping system without hassle.
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 ends evenly and apply solder until it flows fully into the joint. Allow to cool, then tighten the union nut by hand plus a quarter turn with a wrench for a secure seal.
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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.
