NIBCO Sweat Fitting Adapter: 1/2 in CTS x 3/8 in Pipe, Cup x FNPT
SKU 3G-OTH-472282
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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 1/2 in CTS x 3/8 in Pipe cup x FNPT wrot copper adapter joins a soldered cup end to a female threaded connection, enabling transitions between tube and pipe in water supply or hydronic heating lines.
What are the specifications of the NIBCO C603-1/2x3/8?
The NIBCO C603-1/2x3/8 is a wrot copper sweat fitting adapter with a 1/2 in CTS cup end and a 3/8 in female NPT threaded end. It is designed for soldered installation on copper tube and provides a leak-resistant transition to threaded pipe fittings in industrial plumbing applications.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters like the C603-1/2x3/8 to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact our team to source this wrot copper fitting for your industrial plumbing or HVAC project.
How to install a NIBCO sweat fitting adapter?
To install a NIBCO sweat fitting adapter, clean and flux the copper tube end and the fitting cup. Heat the joint evenly with a torch until solder melts into the gap, then allow it to cool without disturbance. For the threaded FNPT end, use pipe thread sealant and tighten to standard torque.
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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.









