NIBCO Sweat Fitting Adapter: 1 1/4 in CTS x 1 1/4 in Pipe, Cup x MNPT
SKU 3G-OTH-473602
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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 drain, waste, and vent systems. The cup end solders onto 1 1/4 in CTS copper tube, while the male NPT threads join to threaded pipe or fittings. It is commonly used in plumbing and industrial piping applications.
What are the specifications of the NIBCO 904-11/4 sweat fitting adapter?
The NIBCO 904-11/4 is a wrot copper adapter with a cup x MNPT connection. It fits 1 1/4 in CTS copper tube on the cup end and 1 1/4 in pipe on the male NPT threaded end. The manufacturer part number is 904-11/4, and it is designed for drain, waste, and vent systems.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the NIBCO 904-11/4 or other wrot copper fittings for your plumbing or industrial needs.
How to install a NIBCO sweat fitting adapter?
To install a NIBCO sweat fitting adapter, clean the copper tube end and the cup interior with emery cloth. Apply flux, insert the tube into the cup end, and heat evenly with a torch until solder flows into the joint. Allow to cool before pressurizing. Always follow local plumbing codes and use proper safety gear.
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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.









