NIBCO Sweat Fitting Elbow: 1/4 in CTS x 1/4 in CTS, Cup x FTG, Wrot Copper (MPN 638-1/4)
SKU 3G-OTH-472218
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Frequently Asked Questions
What is a NIBCO 638-1/4 sweat fitting elbow used for?
This NIBCO wrot copper elbow connects 1/4 in CTS copper tube in plumbing and HVAC systems. The cup x FTG design allows one sweat-solder joint and one compression or push-fit connection, ideal for tight spaces in potable water, hydronic heating, or refrigeration lines.
What are the specifications of the NIBCO 638-1/4 elbow?
The NIBCO 638-1/4 is a 1/4 in CTS x 1/4 in CTS wrot copper sweat fitting elbow with cup x FTG ends. It is made from wrot copper for corrosion resistance and high-temperature tolerance up to 400 °F. The manufacturer part number is 638-1/4.
Where to buy NIBCO 638-1/4 fittings in worldwide?
3G Electric supplies NIBCO 638-1/4 wrot copper elbows to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on this cup x FTG fitting for your plumbing or HVAC project.
How to install a NIBCO sweat fitting elbow?
Clean the copper tube and fitting cup with emery cloth. Apply flux to both surfaces, assemble, and heat the cup evenly with a torch until solder melts into the joint. Allow to cool naturally. For the FTG end, follow the manufacturer's instructions for compression or push-fit connections.
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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.
