STREAMLINE Sweat Fitting Coupling: 5/8 in CTS x 3/8 in CTS, Cup x Cup
SKU 3G-OTH-478373
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Frequently Asked Questions
What is a STREAMLINE Sweat Fitting Coupling used for?
A STREAMLINE Sweat Fitting Coupling connects two copper tubes of the same size in a straight line for plumbing, HVAC, and refrigeration systems. The cup x cup design with dimple center stop ensures proper insertion depth during soldering, providing reliable, leak-free joints in potable water and hydronic heating applications.
What are the specifications of the STREAMLINE Sweat Fitting Coupling W 01030CB?
The STREAMLINE Sweat Fitting Coupling W 01030CB is a clean and bagged wrot copper tube fitting with cup x cup ends and a dimple center stop. It connects 5/8 in CTS to 3/8 in CTS copper tubing. The manufacturer part number is W 01030CB, and it is designed for sweat/solder installation.
Where to buy STREAMLINE Sweat Fitting Coupling W 01030CB worldwide?
3G Electric supplies the STREAMLINE Sweat Fitting Coupling W 01030CB to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this clean and bagged wrot copper fitting.
How to install a STREAMLINE Sweat Fitting Coupling?
To install a STREAMLINE Sweat Fitting Coupling, clean the tube ends and fitting cups with emery cloth, apply flux, insert tubes to the dimple center stop, and heat evenly while applying solder. The dimple ensures correct insertion depth. Allow to cool naturally, then wipe excess flux. Always follow local plumbing codes for safe installation.
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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.









