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The ASC Engineered Solutions 810039818 is a black malleable iron reducing tee designed for threaded pipe assemblies in gas, air, and low-pressure fluid distribution systems. The fitting transitions from a 1-inch run to a 3/4-inch branch outlet, allowing for direction changes and flow splits within a piping network. The black coating provides a standard finish suitable for gas service and exposed mechanical installations. Weighing 0.68 pounds, this fitting is sized for typical residential and light commercial applications. Plumbers, pipefitters, and HVAC technicians install this type of fitting as part of threaded black iron pipe systems.
This reducing tee is suited for use in natural gas, propane, compressed air, and similar low-pressure piping systems where malleable iron threaded fittings are specified. The 1-inch by 3/4-inch configuration is commonly found in branch takeoffs from a main distribution line, such as feeding individual appliances or equipment connections from a larger supply run. The black coating is standard for gas piping applications in residential and light commercial construction.
Designed as an OEM-style replacement or new-install fitting for standard NPT threaded black iron pipe systems in gas, air, and low-pressure fluid distribution applications.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local codes and IFGC requirements for gas piping. Shut off the gas supply or depressurize the system completely before disassembling or adding fittings. Apply an approved pipe thread sealant or PTFE tape rated for the intended service to all threaded connections. Do not overtighten threaded fittings, as malleable iron can crack under excessive torque.
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