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The NIBCO 9002100 Reducing Coupling is a fitting designed for connecting larger diameter tubes to smaller ones. It features solder cups and is constructed from wrot copper, ensuring durability and reliability.
This coupling is ideal for use in various applications including residential and commercial plumbing systems, air conditioning, and refrigeration.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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