NIBCO Sweat Fitting Adapter: 1/2 in CTS x 1/4 in Pipe, Cup x MNPT, Wrot Copper (MPN 604-R)
SKU 3G-OTH-472437
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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. The 1/2 in CTS cup end is soldered onto copper tube, while the 1/4 in MNPT end threads into female pipe fittings. It is used in plumbing, HVAC, and industrial piping systems for reliable, leak-free transitions.
What are the specifications of the NIBCO 604-R sweat fitting adapter?
The NIBCO 604-R is a wrot copper sweat fitting adapter with a 1/2 in CTS cup x 1/4 in MNPT connection. It features a Cup x MNPT configuration and is made from wrot copper for durability. The manufacturer part number is 604-R.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the NIBCO 604-R or other copper fittings for your project.
How to install a NIBCO sweat fitting adapter?
To install a NIBCO sweat fitting adapter, clean the copper tube end and fitting cup, apply flux, then heat and apply solder to form a joint. For the threaded end, use pipe thread sealant and tighten securely. Follow standard soldering practices for wrot copper fittings.
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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.









