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The ASC Engineered Solutions 25MX15M.WFT is a male reducing tee fitting designed for threaded pipe assemblies in plumbing, HVAC, and gas distribution systems. It features a 1 x 1 x 1/2 inch nominal configuration with male NPT (MNPT) end connections on all three ports. Constructed from domestic brass, this tee provides reliable corrosion resistance and strength at threaded joints. The reducing outlet allows a branch line of smaller diameter to be tapped off a main run without additional adapters, simplifying layout and reducing potential leak points. Licensed plumbers and pipefitters are the primary installers of this fitting.
This male reducing tee is suited for residential and light commercial applications where a 1-inch main line requires a 1/2-inch branch takeoff. Typical install scenarios include water supply distribution, gas piping, and hydronic heating systems where MNPT threaded connections are the specified end style. The domestic brass construction meets common material requirements for potable water and fuel gas service where brass fittings are code-acceptable.
Designed as an OEM-style replacement or new-installation fitting for standard 1-inch and 1/2-inch MNPT threaded pipe systems in plumbing, HVAC, and gas distribution applications.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local plumbing and gas codes, including IPC and IFGC where relevant. Shut off and depressurize the supply line completely before disassembling any threaded connections. Apply an approved thread sealant or PTFE tape to all male threads before assembly, and tighten to hand-tight plus the appropriate number of turns per fitting size without over-torquing brass threads. Inspect all joints for leaks after restoring pressure.
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