NIBCO Sweat Fitting Adapter: 1 1/4 in CTS x 1 in Pipe, Cup x FNPT, Wrot Copper (MPN 603-R)
SKU 3G-OTH-472456
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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 cup end solders onto 1 1/4 in CTS copper tube, while the FNPT end accepts a 1 in male threaded pipe, enabling a reliable transition between joining methods.
What are the specifications of the NIBCO 603-R sweat fitting adapter?
The NIBCO 603-R is a wrot copper adapter with a cup x FNPT configuration. It connects 1 1/4 in CTS copper tube to 1 in pipe. The manufacturer part number is 603-R, and it is designed for sweat (solder) installation in potable water and hydronic systems.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters like the 603-R to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing 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 end and the cup interior. Slide the tube into the cup, heat the joint evenly with a torch until solder melts into the gap, then allow it to cool. For the FNPT end, use thread sealant and tighten to the male pipe.
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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.
