NIBCO Sweat Fitting Adapter: 1/2 in CTS x 3/8 in Pipe, Cup x MNPT
SKU 3G-OTH-472592
Need installation or engineering help?
Ask a question
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 1/2 in CTS copper tube to 3/8 in male NPT pipe, providing a leak-resistant transition for water, gas, or refrigerant lines.
What are the specifications of the NIBCO C604-1/2x3/8 sweat fitting adapter?
The NIBCO C604-1/2x3/8 is a wrot copper sweat fitting adapter with a cup end for 1/2 in CTS copper tube and a male NPT thread for 3/8 in pipe. It is designed for soldered connections and meets standard plumbing requirements for durability and corrosion resistance.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source and deliver genuine NIBCO fittings to support plumbing, HVAC, and industrial projects across all regions.
How to install a NIBCO sweat fitting adapter?
To install a NIBCO sweat fitting adapter, clean and flux the copper tube and cup end, then heat the joint evenly and apply solder until it flows fully around the connection. For the threaded end, use pipe thread sealant and tighten to standard torque. Always follow local plumbing codes.
Used in
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.









