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The CAPITOL MANUFACTURING 12203108 is a hex bushing designed to reduce pipe thread sizes within plumbing, HVAC, and industrial piping systems. It features a 3/4-inch female threaded inlet and a 1/4-inch male threaded outlet, allowing a technician to step down from a larger pipe fitting to a smaller one in a single fitting. The hex body provides a flat wrench surface for clean, secure installation with standard hand tools. Licensed plumbers and HVAC mechanics commonly install this type of fitting during system assembly, repair, or retrofit work where threaded pipe size transitions are required.
This hex bushing is suited for use in residential and light commercial plumbing and mechanical systems where threaded pipe connections are standard. It installs into any application requiring a 3/4-inch to 1/4-inch threaded reduction, including supply line branches, gauge ports, instrumentation taps, and similar threaded pipe connections. It is sold as a single unit.
Designed as an OEM-style replacement or standard service fitting for threaded piping systems requiring a 3/4-inch to 1/4-inch pipe thread reduction.
Installation should be performed by a licensed plumber or qualified mechanical technician in accordance with applicable IPC or IFGC requirements. Shut off system pressure and drain the line before removing or installing any threaded fittings. Apply appropriate thread sealant or PTFE tape to the male threads before assembly. Do not overtighten; use the hex body for wrench engagement only.
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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