NIBCO Sweat Fitting Tee: 1 1/4 in CTS x 1 1/4 in CTS x 1/2 in Pipe
SKU 3G-OTH-485690
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Frequently Asked Questions
What is NIBCO BF4690L sweat fitting tee used for?
The NIBCO BF4690L is a low-lead cast copper tee used in potable water and hydronic heating systems. It connects 1 1/4 in CTS copper tube on two cup ends to a 1/2 in FNPT threaded branch, enabling branch-line takeoffs in plumbing and mechanical installations.
What are the specifications of NIBCO BF4690L?
The NIBCO BF4690L is a low-lead cast copper & bronze tee with cup x cup x FNPT connections. It fits 1 1/4 in CTS copper tube on the straight run and 1/2 in pipe on the branch. The manufacturer part number is BF4690L. It is designed for sweat (solder) installation.
Where to buy NIBCO BF4690L worldwide?
3G Electric supplies the NIBCO BF4690L low-lead copper tee to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this fitting. We source genuine NIBCO components for global industrial and plumbing projects.
How to install NIBCO BF4690L sweat fitting tee?
Clean and flux the 1 1/4 in CTS copper tube ends and the 1/2 in pipe thread. Assemble dry to check fit, then apply solder to the cup joints while heating evenly. Use thread sealant on the FNPT branch. Follow local plumbing codes and manufacturer instructions for low-lead fittings.
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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.









