NIBCO Sweat Fitting Adapter: 1/2 in CTS x 1 in Pipe, Cup x FNPT, Bronze (MPN 703R-LF 1/2X1)
SKU 3G-OTH-485610
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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 industrial systems. The 703R-LF 1/2X1 model joins 1/2 in CTS copper tube to 1 in FNPT pipe, using a cup end for soldering and a female NPT thread for mechanical connections.
What are the specifications of the NIBCO 703R-LF 1/2X1?
The NIBCO 703R-LF 1/2X1 is a low-lead cast bronze sweat adapter with a cup x FNPT configuration. It fits 1/2 in CTS copper tube on the cup end and 1 in pipe on the FNPT side. The bronze body resists corrosion in water and HVAC applications.
Where to buy NIBCO sweat fitting adapters worldwide?
3G Electric supplies NIBCO sweat fitting adapters like the 703R-LF 1/2X1 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this low-lead bronze fitting.
How to install a NIBCO sweat fitting adapter?
Clean the copper tube end and apply flux. Heat the cup evenly until solder melts into the joint. For the FNPT end, use thread sealant and tighten to standard torque. Avoid overheating bronze to prevent damage. Always follow local plumbing codes.
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Common applications for NIBCONIBCO Products
3G Electric supplies NIBCO low-lead cast copper & bronze tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









