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The Mueller Streamline W 01132 is a wrot copper male adapter for above-ground potable water supply systems. The adapter provides a 1/2 inch cup (female solder) connection to a 3/8 inch male pipe tapered thread (MPT/NPT) and is listed as model WC-401R. The fitting meets applicable ASME standards and NSF 61G and is intended for solder-joint copper fitting connections.
Copper adapter WC-401R configuration converting 1/2 in solder cup to 3/8 in MPT for potable water applications; complies with NSF 61G and ASME standards.
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