Daikin-McQuay 0130M00249 Auxiliary Switch OEM HVAC Replacement Part

The Daikin-McQuay 0130M00249 is an OEM auxiliary switch designed for use in Daikin and McQuay commercial HVAC systems. This genuine replacement part is used within the control box assembly of a wide range of Daikin rooftop package units, heat pumps, and air handlers, where it provides supplemental switching functions to support system controls and sequencing.

This auxiliary switch is referenced across multiple Daikin repair parts manuals and is a commonly called-out functional component in units ranging from light commercial split systems to large commercial rooftop gas/electric package units. It is typically installed in quantities of two per unit within the control box assembly.

Key Features:

• Genuine OEM Daikin-McQuay replacement part
• Functions as an auxiliary switch within the HVAC control box assembly
• Compatible with a broad range of Daikin commercial rooftop, heat pump, and air handler models
• Typically supplied and installed in pairs (qty 2) per unit
• Direct factory replacement ensures proper fit and reliable operation

Using genuine OEM parts like the 0130M00249 helps maintain system integrity, ensures compatibility with existing controls, and supports long-term reliability in commercial HVAC applications. Always refer to your unit's specific repair parts manual to confirm applicability before installation.