L H Dottie Co R373 Reducing Bushing 4x2 Inch

Product Description

The L H Dottie Co R373 is a reducing bushing designed to transition from a 4-inch opening to a 2-inch opening in conduit, pipe, or fitting applications. Reducing bushings serve as a simple, reliable mechanical adapter where two different-diameter threaded connections must be joined. This type of hardware accessory is installed by electricians and plumbers during rough-in and finish work on commercial and residential projects. The R373 ships as a single unit and is a standard trade hardware component kept on most service vehicles and job-site material carts.

Reducing bushings like the R373 are used wherever a threaded female opening of one size must accept a male-threaded fitting of a smaller size. Common applications include electrical conduit systems, plumbing drain and vent assemblies, and general pipe hardware installations. The part is sold individually and is suited for both new construction and retrofit work where existing fittings require a size transition without replacing the full fitting assembly.

Key Features

• Transitions from a 4-inch connection to a 2-inch connection
• Standard reducing bushing geometry for threaded fitting systems
• Single-unit packaging for individual replacement or small-quantity needs
• Hardware accessory category — suitable for electrical, plumbing, and mechanical applications

Compatibility

Designed as an OEM-style reducing bushing for standard 4-inch to 2-inch threaded fitting connections in electrical conduit or pipe assemblies.

Installation Notes

Installation is performed by a licensed electrician or plumber depending on the application. De-energize all circuits or shut off supply lines before servicing the fitting assembly. Thread the bushing by hand first to avoid cross-threading, then tighten with the appropriate pipe wrench or conduit fitting tool. Applicable work should conform to NEC or IPC standards as required by local jurisdiction.