NIBCO Sweat Fitting Adapter: 1 in CTS x 1 1/2 in Pipe, Cup x MNPT, Wrot Copper (MPN 604-R)
SKU 3G-OTH-472625
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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. The 1 in CTS x 1 1/2 in Pipe, Cup x MNPT, Wrot Copper design joins a copper tube to a male threaded pipe, ensuring leak-free transitions in water supply and hydronic heating lines.
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 Cup x MNPT connection. It fits 1 in CTS copper tube on one end and 1 1/2 in pipe on the male threaded end. The wrot copper construction provides durability and corrosion resistance for potable water and HVAC applications.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine NIBCO fittings like the 604-R and deliver to any international destination. Contact us for pricing and lead time on your order.
How to install a NIBCO sweat fitting adapter?
To install a NIBCO sweat fitting adapter, clean and flux the copper tube end, then heat the fitting evenly until solder melts into the cup joint. For the threaded end, use pipe thread sealant and tighten to the male pipe. Ensure proper support and allow cooling before pressurizing the system.
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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.









