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Frequently Asked Questions
What is a NIBCO 617 4 wrot copper cap used for?
A NIBCO 617 4 wrot copper cap is used to seal the end of a 4-inch CTS copper tube in plumbing, HVAC, and industrial piping systems. It provides a permanent, leak-proof closure for water, gas, or air lines where future access is not required.
What are the specifications of the NIBCO 617 4 cap?
The NIBCO 617 4 is a 4-inch CTS wrot copper cap, cup type, with manufacturer part number 617 4. It is designed for soldered connections and meets ASTM B88 standards for copper tube fittings. The cup depth and wall thickness follow standard wrot copper dimensions.
Where to buy a NIBCO 617 4 cap worldwide?
3G Electric supplies the NIBCO 617 4 wrot copper cap 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 and other copper fittings.
How to install a NIBCO wrot copper cap?
To install a NIBCO wrot copper cap, clean the tube end and cap cup with emery cloth, apply flux, insert the tube fully into the cup, and heat evenly with a torch until solder flows around 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.









