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The MARS 69029103600 is a black hex bushing designed to reduce pipe thread connections from a 3-inch male thread to a 2.5-inch female thread. Hex bushings serve as compact, inline reducers used in threaded piping systems across HVAC, plumbing, and mechanical applications. The hex body profile allows for positive wrench engagement during installation and removal. This bushing is finished in black, consistent with standard black iron pipe fittings used in gas distribution and mechanical piping systems. Licensed plumbers and HVAC technicians commonly install this fitting in gas line and hydronic system assemblies.
This bushing fits threaded piping systems where a 3-inch connection must be stepped down to a 2.5-inch connection at a fitting, valve, or equipment port. It is suited for residential and light commercial mechanical piping applications. The compact hex body makes it practical in tight spaces where a full coupling or union reducer would not fit. Installers working on gas supply lines, hydronic heating systems, or general mechanical piping will find this a standard-use fitting for thread reduction at equipment connections.
Designed as a standard threaded hex bushing for use in 3-inch to 2.5-inch threaded piping systems typical of residential and commercial HVAC, gas distribution, and mechanical plumbing installations.
This fitting is installed by licensed plumbers or HVAC technicians in accordance with applicable local codes, the International Fuel Gas Code (IFGC), or the International Plumbing Code (IPC) depending on the application. Shut off all gas or fluid supply and verify zero pressure in the line before beginning work. Apply appropriate thread sealant or PTFE tape to male threads before assembly. Do not use this fitting beyond its rated application or material compatibility.
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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