NIBCO Sweat Fitting Adapter: 3/8 in CTS x 1/2 in Pipe, Cup x MNPT
SKU 3G-OTH-472334
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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 3/8 in CTS cup end solders onto tubing, while the 1/2 in MNPT end threads into female fittings, enabling reliable transitions in water supply and hydronic heating lines.
What are the specifications of the NIBCO 604R 3/8x1/2 adapter?
The NIBCO 604R is a wrot copper sweat fitting adapter with a 3/8 in CTS cup x 1/2 in MNPT configuration. It is designed for soldered connections on the cup end and threaded connections on the pipe end, suitable for potable water and HVAC applications up to standard working pressures.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters like the 604R 3/8x1/2 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 fitting.
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 evenly and apply solder until it flows into the joint. For the threaded end, use PTFE tape or pipe dope on the MNPT threads and tighten to a female fitting. Always follow local plumbing codes.
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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.









