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The MUELLER INDUSTRIES CORED4212 is a reducing coupling featuring solder cups. This fitting provides a reliable means of connecting a larger size tube to a smaller size tube. It is dezincification resistant and made from ASTM B75 Alloy C12200.
This copper reducing coupling connects different sized tubes and is certified to NSF/ANSI 61 Annex G, ASME B16.22, MSS SP-104, and NFPA 99.
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