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The ASC Engineered Solutions 310050604 is a black malleable iron reducing tee designed for use in threaded pipe systems across plumbing, HVAC, and industrial piping applications. The fitting connects a 2-inch run on both ends with a 1-1/4-inch branch outlet, allowing flow to be redirected or split at a reduction point without additional adapters. At 2.20 pounds, the casting is substantial, and the black coating provides a base-level oxidation barrier suitable for dry or low-moisture pipe systems. Licensed plumbers and pipefitters are the primary installers of this type of fitting in both new construction and retrofit work.
This reducing tee is suited for threaded iron pipe systems in residential and commercial settings, including gas distribution, steam, compressed air, and water supply lines where malleable iron fittings are specified. The 2 in x 1-1/4 in x 2 in configuration handles common branch-reduction scenarios encountered in mechanical rooms, boiler piping, and distribution headers. Domestically manufactured, making it suitable for projects with domestic-origin material requirements.
Designed as an OEM-style replacement or new-installation fitting for threaded malleable iron pipe systems requiring a 2 in x 1-1/4 in x 2 in reducing tee connection.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local mechanical and plumbing codes, including IPC and IFGC references where gas service is involved. Shut off and depressurize the pipe system completely before disassembly or fitting installation. Apply an approved thread sealant or PTFE tape to all male threads before assembly and tighten to hand-snug plus the appropriate number of turns for the pipe size per your applicable code. Black malleable iron fittings are not rated for corrosive or wet outdoor environments without additional protective treatment.
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