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The MERIT BRASS K412-2006 is a threaded pipe reducer fitting manufactured from 304 stainless steel. It connects a 1-1/4 inch female NPT inlet to a 3/8 inch female NPT outlet, reducing pipe diameter within a piping run. Rated to 150 psi, it meets ISO standards and is suited for use in water, chemical, and light industrial fluid systems. At 0.51 pounds and 1-29/32 inches in length, it is a compact, single-piece fitting intended for installation by licensed plumbers or pipefitters where a reduction in line size is required.
This reducer is commonly used in residential and commercial plumbing systems, process piping, and fluid distribution lines where a transition from 1-1/4 inch to 3/8 inch pipe is needed. The all-stainless construction makes it appropriate for corrosive-environment applications, including chemical handling and food-service piping installations. It installs inline wherever a standard threaded FNPT connection is used.
Designed as an OEM-style replacement or new-install threaded pipe reducer for 1-1/4 inch to 3/8 inch FNPT piping systems in residential and commercial plumbing and process piping applications.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable IPC or local plumbing codes. Shut off and depressurize the piping system fully before removing or installing any threaded fittings. Apply an appropriate thread sealant or PTFE tape to the male threads before making up the connection. Do not over-torque stainless steel fittings, as galling can occur between mating stainless threads.
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