Mueller Industries 15693 Copper Flush Bushing 5/8x1/2 Ftg X C

Product Description

The MUELLER INDUSTRIES 15693 is a wrot copper flush bushing designed to reduce a 5/8-inch fitting outlet to a 1/2-inch cup-end connection. Flush bushings seat flush with the end of the fitting rather than shoulder-stepping inside the bore, allowing for a clean inline transition between two different tube sizes. This fitting is manufactured from wrot copper, which is wrought and drawn to produce a denser, stronger grain structure than cast fittings. Plumbers and HVAC technicians use this bushing wherever a compact, low-profile reduction is needed in a sweat-soldered copper system. The FTG x C end configuration means the male fitting-end slips into a standard cup-end fitting on one side, and the female cup end receives standard 1/2-inch copper tube on the other.

This bushing is suited for residential and light commercial plumbing, hydronic heating, refrigeration piping, and HVAC refrigerant or water-circuit applications where a size reduction from 5/8-inch to 1/2-inch tubing is required. It is a sweat-solder fitting and is intended for installation by licensed plumbers or HVAC technicians working with torch-brazed or soldered copper tubing systems. The outside diameters measure 3/4 inch on the FTG end and 5/8 inch on the cup end, per the standard dimensional conventions for copper pressure fittings.

Key Features

• Wrot copper construction for higher density and pressure integrity compared to cast fittings
• Flush bushing profile seats fully within the mating fitting for a compact inline reduction
• FTG x C end connection allows direct integration into standard sweat-solder copper assemblies
• Reduces 5/8-inch fitting outlet to 1/2-inch tube connection in a single fitting
• Sold in a package quantity of 5 units per pack

Compatibility

Designed as an OEM-style replacement and standard-production flush bushing compatible with sweat-solder copper pressure fitting systems using 5/8-inch and 1/2-inch tube sizes per ASTM B88 and ASME B16.22 dimensional standards.

Installation Notes

Installation is performed by a licensed plumber or qualified HVAC technician using standard copper sweat-soldering or brazing procedures. Shut off and depressurize the water or refrigerant circuit and allow all components to cool completely before cutting or fitting. Clean and flux all mating surfaces before applying heat, and follow applicable IPC or local plumbing code requirements for solder or braze alloy selection. Do not over-heat the fitting; excessive heat can damage the fitting bore or cause flux breakdown.