NIBCO Cap: 3/4 in CTS, Cup, Wrot Copper (MPN U617-3/4)
SKU 3G-OTH-472370
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Frequently Asked Questions
What is a NIBCO wrot copper cap used for?
A NIBCO wrot copper cap seals the end of a copper tube in plumbing, HVAC, and refrigeration systems. It provides a permanent, leak-proof closure for 3/4 inch CTS copper lines, commonly used in potable water, hydronic heating, and industrial piping applications.
What are the specifications of the NIBCO U617-3/4 cap?
The NIBCO U617-3/4 is a cup-type wrot copper cap for 3/4 inch CTS (copper tube size). It is made from wrot copper for reliable soldered joints. The manufacturer part number is U617-3/4, and it is designed for use with standard copper tubing in plumbing and mechanical systems.
Where to buy NIBCO U617-3/4 copper cap worldwide?
3G Electric supplies the NIBCO U617-3/4 wrot copper cap to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other NIBCO fittings across our 14 industrial departments.
How to install a NIBCO wrot copper cap?
Clean the tube end and cap cup with emery cloth, apply flux, then heat the joint evenly and apply solder until it flows fully around the cup. Allow to cool naturally. Always follow local plumbing codes and use lead-free solder for potable water systems. NIBCO fittings require proper soldering technique for a reliable seal.
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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.









