NIBCO Sweat Fitting Adapter: 1 1/4 in CTS x 1 in Pipe, Cup x MNPT, Wrot Copper (MPN 604R 11/4x1)
SKU 3G-OTH-472562
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Frequently Asked Questions
What is a NIBCO sweat fitting adapter used for?
A NIBCO sweat fitting adapter connects copper tubing to threaded pipe in plumbing and HVAC systems. This wrot copper adapter joins 1 1/4 in CTS tubing to 1 in male NPT pipe, providing a leak-resistant transition for potable water, hydronic heating, or industrial fluid lines.
What are the specifications of the NIBCO 604R 11/4x1 adapter?
The NIBCO 604R 11/4x1 is a wrot copper sweat fitting adapter with a cup end for 1 1/4 in CTS tubing and a male NPT threaded end for 1 in pipe. It is made from wrot copper for corrosion resistance and is suitable for soldered connections in plumbing and mechanical systems.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters like the 604R 11/4x1 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this wrot copper adapter.
How to install a NIBCO sweat fitting adapter?
To install a NIBCO sweat fitting adapter, clean and flux the cup end and tubing, then heat evenly with a torch until solder flows into the joint. For the threaded end, apply pipe sealant and tighten to the male NPT connection. Follow local plumbing codes for best results.
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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.









