NIBCO Test Cap: 1 in CTS, Cup, Wrot Copper (MPN 917-B)
SKU 3G-OTH-473659
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Frequently Asked Questions
What is a NIBCO test cap used for?
A NIBCO test cap seals the end of a copper pipe during pressure testing of drain, waste, and vent systems. It is a temporary fitting that ensures system integrity before final connection. 3G Electric supplies this cup-style wrot copper cap for worldwide delivery.
What are the specifications of the NIBCO 917-B test cap?
The NIBCO 917-B is a 1-inch CTS cup-style wrot copper test cap. It is designed for DWV applications and is made from wrot copper for durability. The manufacturer part number is 917-B. 3G Electric sources this genuine NIBCO fitting for global supply.
Where to buy NIBCO test caps in worldwide?
3G Electric supplies NIBCO test caps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine NIBCO fittings like the 917-B cup-style cap for DWV systems. Contact us for availability and delivery to your location.
How to install a NIBCO copper test cap?
Clean the copper pipe end and apply flux. Solder the NIBCO test cap onto the pipe using a torch, ensuring a watertight seal. After pressure testing, remove the cap by cutting or unsoldering. Always follow local plumbing codes. 3G Electric provides this fitting for professional use.
Used in
Common applications for NIBCONIBCO Products
3G Electric supplies NIBCO drain, waste & vent wrot copper & bronze tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









