NIBCO Sweat Fitting Adapter: 2 1/2 in CTS x 2 1/2 in Pipe, Cup x MNPT
SKU 3G-OTH-472312
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Frequently Asked Questions
What is NIBCO 604-21/2 sweat fitting adapter used for?
This NIBCO wrot copper adapter joins 2 1/2 in CTS copper tube to 2 1/2 in male NPT threaded pipe in plumbing and HVAC systems. It is commonly used for transitions in water supply lines, hydronic heating, and industrial process piping where a reliable solder connection is required.
What are the specifications of NIBCO 604-21/2 sweat fitting adapter?
The NIBCO 604-21/2 is a cup x MNPT wrot copper adapter with a 2 1/2 in CTS tube size and 2 1/2 in pipe thread. It is made from wrot copper for corrosion resistance and high-temperature applications. The manufacturer part number is 604-21/2.
Where to buy NIBCO 604-21/2 sweat fitting adapter worldwide?
3G Electric supplies the NIBCO 604-21/2 sweat fitting adapter to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this wrot copper fitting.
How to install NIBCO 604-21/2 sweat fitting adapter?
Clean the copper tube end and fitting cup with emery cloth, apply flux, assemble the joint, and heat evenly with a torch until solder flows into the cup. Allow to cool naturally. For threaded connections, use PTFE tape or pipe dope on the male NPT threads. Follow local plumbing codes.
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Common applications for NIBCONIBCO Products
3G Electric supplies NIBCO wrot copper tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









