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The VALUE COLLECTION 4HB3/4*3/8 is a threaded pipe bushing designed to reduce a 3/4-inch female connection down to a 3/8-inch male connection in piping systems. Constructed from 304 stainless steel, this bushing resists corrosion in wet, chemical-exposed, and outdoor environments. The MNPT x FNPT end connections allow for straightforward installation into existing threaded pipe assemblies without adapters. It is rated to 150 psi, making it suitable for low-to-moderate pressure plumbing, fluid transfer, and process piping applications. Plumbers, pipefitters, and maintenance technicians are the primary installers of this fitting type.
This bushing is used in residential and light commercial plumbing systems, HVAC condensate and fluid lines, and industrial piping where a threaded reduction is needed between a 3/4-inch and 3/8-inch line. Its stainless steel construction makes it appropriate for applications where carbon steel fittings would corrode, including saltwater-adjacent environments, chemical lines, and food-service adjacent piping. It ships individually and is sold as a single unit.
Designed as an OEM-style replacement or new-installation threaded pipe bushing for standard NPT-threaded piping systems requiring a 3/4-inch to 3/8-inch reduction.
Installation is performed by a licensed plumber or pipefitter following applicable IPC and local plumbing codes. Shut off and depressurize the line completely before removing any existing fitting or installing this bushing. Apply appropriate thread sealant tape or compound to the MNPT threads before assembly. Do not overtighten; use a pipe wrench with controlled torque to avoid cracking threaded ports.
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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