NIBCO Sweat Fitting Bushing: 1/4 in CTS x 1/8 in CTS, FTG x FTG, Wrot Copper (MPN 618-1/4x1/8)
SKU 3G-OTH-472681
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is NIBCO sweat fitting bushing used for?
This NIBCO wrot copper bushing reduces a 1/4 in CTS tube line to 1/8 in CTS in plumbing and HVAC systems. It is used for transitioning between different tube sizes in potable water, heating, and cooling applications where a leak-tight soldered joint is required.
What are the specifications of NIBCO 618-1/4x1/8 bushing?
The NIBCO 618-1/4x1/8 is a wrot copper sweat fitting bushing with FTG x FTG connections. It reduces from 1/4 in CTS to 1/8 in CTS. The manufacturer part number is 618-1/4x1/8, and it is designed for soldered installation in copper tubing systems.
Where to buy NIBCO sweat fitting bushing worldwide?
3G Electric supplies and delivers NIBCO sweat fittings worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility. Contact us for availability and lead time on this NIBCO bushing.
How to install a NIBCO wrot copper bushing?
Clean the tube ends and fitting socket with emery cloth, apply flux, then assemble the bushing onto the tube. Heat the joint evenly with a propane torch until solder melts into the gap. Allow to cool naturally before pressurizing the system. Follow local plumbing codes for safe installation.
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.









