STREAMLINE Sweat Fitting Coupling: 1 1/4 in CTS x 1 1/4 in CTS, Cup x Cup
SKU 3G-OTH-478362
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a STREAMLINE Sweat Fitting Coupling used for?
A STREAMLINE Sweat Fitting Coupling joins two lengths of copper tubing in plumbing, HVAC, and refrigeration systems. The cup x cup design with dimple center stop ensures proper insertion depth for reliable soldered joints in potable water and hydronic heating applications.
What are the specifications of the STREAMLINE W 10148CB coupling?
The STREAMLINE W 10148CB is a clean and bagged wrot copper sweat fitting coupling. It has a 1 1/4 in CTS connection size, cup x cup configuration, and a dimple center stop. The manufacturer part number is W 10148CB.
Where to buy STREAMLINE W 10148CB worldwide?
3G Electric supplies the STREAMLINE W 10148CB coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this clean and bagged wrot copper fitting.
How to install a STREAMLINE sweat fitting coupling?
Clean the tube ends and fitting cups with emery cloth, apply flux, insert tube to the dimple center stop, and heat evenly while applying solder. Allow to cool naturally. Always follow local plumbing codes and manufacturer instructions for proper joint integrity.
Used in
Common applications for STREAMLINESTREAMLINE Products
3G Electric supplies STREAMLINE clean & bagged wrot copper tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









