NIBCO Sweat Fitting Adapter: 1 1/4 in CTS x 1 1/2 in Pipe, Cup x MNPT
SKU 3G-OTH-472189
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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 plumbing and HVAC systems. This wrot copper adapter joins 1 1/4 in CTS copper tube to 1 1/2 in male NPT pipe via a cup x MNPT design, ensuring leak-free transitions in potable water or hydronic heating lines.
What are the specifications of the NIBCO 604R 11/4x11/2 sweat fitting adapter?
The NIBCO 604R 11/4x11/2 is a wrot copper sweat fitting adapter with a cup x MNPT connection. It fits 1 1/4 in CTS copper tube on one end and 1 1/2 in male NPT pipe on the other. The manufacturer part number is 604R 11/4x11/2, and it is designed for soldered installation.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters worldwide, handling full logistics and customs clearance for global delivery. As a sourcing partner, we provide genuine NIBCO fittings like the 604R 11/4x11/2 to industrial buyers, ensuring compliance with international shipping requirements.
How to install a NIBCO wrot copper sweat fitting adapter?
To install a NIBCO wrot copper sweat fitting adapter, clean the tube and fitting cup, apply flux, then heat the joint evenly until solder melts into the gap. Allow to cool without disturbance. For threaded connections, use PTFE tape or pipe dope on the MNPT end. Always follow local plumbing codes.
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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.









