STREAMLINE Sweat Fitting Adapter: 2 1/2 in CTS x 2 1/2 in CTS, Cup x Flange
SKU 3G-OTH-475802
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Frequently Asked Questions
What is the STREAMLINE Sweat Fitting Adapter W 03887NL used for?
This STREAMLINE low-lead cast copper and bronze tube flange connects 2 1/2 in CTS copper tubing to flanged equipment in plumbing and HVAC systems. The cup x flange design with no center stop allows for sweat (solder) installation, providing a reliable, leak-resistant joint in potable water and hydronic heating applications.
What are the specifications of the STREAMLINE W 03887NL sweat fitting adapter?
The STREAMLINE W 03887NL is a low-lead cast copper and bronze tube flange with a cup x flange connection and no center stop. It fits 2 1/2 in CTS copper tubing on both ends. The manufacturer part number is W 03887NL, and it is designed for sweat (solder) installation in plumbing and HVAC systems.
Where to buy the STREAMLINE W 03887NL sweat fitting adapter worldwide?
3G Electric supplies the STREAMLINE W 03887NL sweat fitting adapter 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 low-lead cast copper and bronze tube flange.
How to install the STREAMLINE W 03887NL sweat fitting adapter?
Install the STREAMLINE W 03887NL by cleaning the 2 1/2 in CTS copper tube ends and the cup interior, then applying flux. Heat the joint evenly and apply solder until it flows fully into the cup. Allow to cool naturally before pressurizing. Follow standard copper sweat fitting practices for best results.
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3G Electric supplies STREAMLINE low-lead cast copper & bronze tube flanges. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









