B K Mueller 520-794HC Black Reducing Tee 1x3/4x1

Product Description

The B K Mueller Industries 520-794HC is a black reducing tee fitting designed for threaded pipe assemblies in gas distribution and related piping systems. It provides a three-way branch connection with a reduced center outlet, allowing a 3/4-inch branch off a 1-inch run without additional reducers. The fitting is black iron, suited for natural gas, propane, and compatible low-pressure piping applications. Licensed plumbers and pipefitters are the typical installers. The package contains 10 fittings, making it practical for service vans and job-lot work.

This reducing tee is used in residential and light commercial gas piping layouts where a branch line of smaller diameter must be tapped from a main run. Typical install scenarios include gas appliance drops, manifold builds, and stub-out configurations in both new construction and retrofit work. The 1 inch x 3/4 inch x 1 inch configuration is a common size stocked by mechanical contractors for fast field assembly.

Key Features

• Reducing center outlet allows 3/4-inch branch from a 1-inch main run without extra fittings
• Black iron construction suitable for gas piping applications
• Threaded connections for standard NPT assembly
• Sold in a package of 10 units for job-lot efficiency
• Compact form factor simplifies tight-space installations

Compatibility

Designed as an OEM-style replacement fitting compatible with standard NPT-threaded black iron pipe systems in residential and commercial gas piping applications.

Installation Notes

Installation should be performed by a licensed plumber or pipefitter in accordance with applicable gas codes, including IFGC and local amendments. Shut off and verify that the gas supply is isolated and at zero pressure before threading or disassembling any fittings. Apply an approved pipe thread sealant or PTFE tape rated for gas service to all male threads. Pressure-test the completed assembly per code before returning the system to service.