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The LEGEND VALVE 350-542 is a black red coupling designed for joining pipe sections in plumbing and mechanical systems. This reducer-style coupling connects a 1.5-inch pipe to a 1.25-inch pipe, making it a practical fitting for transitions between pipe sizes within a single run. It is installed by licensed plumbers and pipefitters working on residential and light commercial piping systems. The black red designation reflects the fitting category within the Legend Valve product line, and the coupling is sized for straightforward integration into standard piping configurations.
This coupling is suited for plumbing distribution systems where a step-down connection is required between 1.5-inch and 1.25-inch pipe. It is a common fitting in residential supply lines, mechanical room piping, and light commercial plumbing installations where pipe size transitions are necessary to match equipment inlet and outlet sizes or to balance flow across a system.
Designed as an OEM-style replacement or standard-fit coupling for plumbing systems requiring a 1.5-inch by 1.25-inch pipe transition connection.
Installation should be performed by a licensed plumber in accordance with applicable IPC or local plumbing codes. Shut off the water supply and depressurize the line before beginning any fitting work. Verify pipe material compatibility and use appropriate joining methods for the pipe type in use. Do not overtighten threaded connections; follow standard hand-tight-plus-turns practices appropriate to the fitting and pipe material.
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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