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The CAPITOL MANUFACTURING 12400105 is a 1/2-inch 90-degree elbow fitting designed for use in piping systems where a right-angle directional change is required. This type of elbow is a standard component in plumbing, HVAC, and mechanical piping installations, allowing technicians to redirect fluid or gas flow within a run of pipe. Sold as a single unit, the 12400105 suits applications where precise routing is needed in tight or structured layouts. Licensed plumbers, pipefitters, and HVAC technicians regularly use fittings of this type when assembling or modifying supply and distribution lines.
The 12400105 is suited for residential and light commercial piping installations where a 1/2-inch 90-degree turn is required. Typical install scenarios include water supply lines, gas distribution piping, and HVAC refrigerant or hydronic line routing. The compact elbow geometry makes it practical in confined spaces where a gradual bend would not fit. This fitting is installed as a single unit and is appropriate wherever a 90-degree change of direction is needed in a 1/2-inch pipe run.
Designed as an OEM-style replacement or new-installation fitting compatible with standard 1/2-inch pipe systems in plumbing, HVAC, and mechanical piping applications.
Installation should be performed by a licensed plumber, pipefitter, or qualified HVAC technician in accordance with applicable local codes, including IPC and IFGC where relevant. Shut off the water supply or gas source and depressurize the line before removing any existing fitting or making new connections. Use appropriate thread sealant, solder, or press-fitting tools as required by the connection type and pipe material. Do not overtighten threaded fittings, as this can damage threads or crack the fitting body.
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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