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The ASC Engineered Solutions 818907966 is a black malleable iron hex bushing designed to reduce pipe connections from a 2.5-inch fitting to a 2-inch fitting. This type of reducing bushing is a standard threaded pipe fitting used to join two sections of pipe where a diameter change is required. It features a black oxide coating for corrosion resistance in typical indoor pipe installations. Licensed plumbers and pipefitters install this fitting in gas, water, and general-purpose piping systems where a threaded reduction is needed between two different pipe sizes.
This bushing is suited for residential and light commercial piping applications. It is commonly used in gas distribution lines, water supply systems, and compressed air piping where a male-threaded larger end connects into a female-threaded fitting of the same size, while the smaller male end accepts the downstream pipe run. The black coating makes it a standard choice for gas line work where black iron fittings are required by code.
Designed as an OEM-style replacement or standard-fit bushing for 2.5-inch by 2-inch NPT threaded pipe systems in residential and commercial plumbing, gas, and mechanical piping applications.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes, IPC, and IFGC requirements. Shut off the gas or water supply and depressurize the line before removing or installing any threaded fitting. Apply thread sealant or PTFE tape rated for the specific service medium to all threaded connections. Do not overtighten with a pipe wrench, as malleable iron threads can crack under excessive torque.
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