NIBCO Sweat Fitting Adapter: 1 1/2 in CTS x 1 in Pipe, Cup x MNPT, Wrot Copper (MPN 604R 11/2x1)
SKU 3G-OTH-472162
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Frequently Asked Questions
What is NIBCO 604R 11/2x1 sweat fitting adapter used for?
This NIBCO wrot copper adapter connects 1 1/2 in CTS copper tube to 1 in male threaded pipe. It is used in plumbing, HVAC, and industrial piping systems for transitioning between sweat (solder) and threaded connections, ensuring leak-free joints in water, gas, or oil lines.
What are the specifications of NIBCO 604R 11/2x1 adapter?
The NIBCO 604R 11/2x1 is a cup x MNPT wrot copper sweat fitting adapter. It has a 1 1/2 in CTS (copper tube size) sweat end and a 1 in male NPT threaded end. The wrot copper construction provides corrosion resistance and durability for high-pressure applications.
Where to buy NIBCO 604R 11/2x1 adapter worldwide?
3G Electric supplies and delivers the NIBCO 604R 11/2x1 sweat fitting adapter 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 wrot copper adapter.
How to install NIBCO 604R 11/2x1 sweat adapter?
Clean the copper tube end and fitting cup with emery cloth. Apply flux, insert tube into the cup end, and heat evenly with a torch until solder melts into the joint. For the threaded end, use PTFE tape or pipe dope on male NPT threads. Tighten to standard torque without over-tightening.
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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.









