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The ASC Engineered Solutions 818908329 is a black malleable iron hex bushing designed to reduce pipe thread connections from a 3-inch male thread to a 1.5-inch female thread. This type of fitting is a standard component in threaded piping assemblies across plumbing, gas distribution, and mechanical systems. The black coating provides corrosion resistance suited for dry or low-moisture indoor pipe runs. Plumbers, pipefitters, and mechanical contractors install this bushing as part of threaded iron pipe systems where pipe size transitions are required.
This bushing is appropriate for use in residential and light commercial piping applications including gas lines, water distribution, and general mechanical piping. It is used wherever a 3-inch threaded pipe or fitting must connect to a 1.5-inch threaded component, such as valves, tees, couplings, or equipment inlets. The malleable iron construction handles the stresses of wrench-tight installation without cracking, making it reliable in both new construction and retrofit work.
Designed as an OEM-style replacement or standard component for threaded malleable iron piping systems using NPT connections in residential and commercial mechanical applications.
Installation should be performed by a licensed plumber or pipefitter following applicable local codes including IPC and IFGC requirements for threaded pipe assemblies. Shut off and depressurize the line before installing or removing any threaded fitting. Apply an appropriate thread sealant or PTFE tape to the male threads before assembly. Do not overtighten beyond snug-plus-wrench-turns as specified for the pipe size and application.
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