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Mueller Streamline 521-353 is a malleable iron reducing coupling designed to join 1 inch to 1/2 inch threaded pipe. The fitting features female pipe thread (FPT) on both ends and accepts standard threaded connections for plumbing and black iron pipe transitions. It is part of the Southland series and is supplied as an individual unit for applications requiring a threaded reduction from 1" to 1/2".
Malleable iron reducing coupling with FPT x FPT connections; 1" to 1/2" threaded reduction; Southland series, sold individually.
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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