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The ASC ENGINEERED SOLUTIONS 8700135307 is a 3/4-inch by 3/8-inch female pipe thread (FPT) reducing galvanized coupling used to connect pipes of two different diameters in threaded piping systems. Constructed from malleable iron, this fitting delivers high tensile strength suited to demanding trade applications. The hot-dip galvanized finish provides corrosion resistance, extending service life in both indoor and exposed installations. Plumbers and pipefitters install this fitting as a standard component wherever a threaded pipe run must step down from 3/4 inch to 3/8 inch. It weighs 0.26 pounds and is sold individually.
This reducing coupling is used in residential and light commercial plumbing, gas distribution, and general-purpose piping systems where threaded malleable iron fittings are specified. Typical install scenarios include water supply lines, low-pressure gas piping, and compressed air systems that require a reduction in pipe size at a junction point. The FPT threading on both ends accepts standard NPT male-threaded pipe or nipples on each side of the reduction.
Designed as an OEM-style replacement and standard trade fitting for use with 3/4-inch and 3/8-inch NPT-threaded pipe in malleable iron threaded piping systems.
Installation is performed by a licensed plumber or pipefitter following applicable IPC or IFGC code requirements for the piping system type. Shut off and depressurize the affected line before removing or installing any fitting. Apply appropriate thread sealant or PTFE tape to all male NPT threads before making up connections. Do not over-tighten; engage threads fully by hand before using a pipe wrench to snug the fitting.
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