NIBCO Cap: 5/8 in CTS, Cup, Wrot Copper (MPN 617-5/8)
SKU 3G-OTH-472528
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Frequently Asked Questions
What is a NIBCO 617-5/8 wrot copper cap used for?
This NIBCO 5/8-inch CTS cup cap is used to seal the end of a copper tube in plumbing, HVAC, and refrigeration systems. It provides a permanent, leak-proof closure when soldered onto Type K, L, or M copper tubing.
What are the specifications of the NIBCO 617-5/8 cap?
The NIBCO 617-5/8 is a 5/8-inch CTS (Copper Tube Size) cup-style cap made of wrot copper. It is designed for soldered connections and is commonly used in residential and commercial water supply lines.
Where to buy NIBCO 617-5/8 wrot copper caps worldwide?
3G Electric supplies NIBCO 617-5/8 wrot copper caps to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this genuine NIBCO part.
How to install a NIBCO wrot copper cap?
Clean the tube end and cap cup with emery cloth, apply flux, insert tube into cap, and heat evenly with a torch until solder flows into the joint. Allow to cool naturally. Always follow local plumbing codes and use lead-free solder for potable water.
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.









