Daikin 42644300 Temperature Control Replaces 426443B-00

Product Description

The DAIKIN 42644300 is an OEM temperature control designed for commercial HVAC systems manufactured by Daikin McQuay. This control governs temperature regulation within the system, maintaining setpoint accuracy and enabling proper system response to load conditions. It is a factory-new, original equipment component sourced directly from the manufacturer. Licensed HVAC technicians and commercial refrigeration service professionals are the typical installers of this part. It directly replaces the superseded part number 426443B-00 and carries a one-year manufacturer warranty.

This temperature control is intended for use in commercial HVAC applications where original Daikin McQuay components are required. It is suited for installations where maintaining OEM specifications is critical to system performance and warranty compliance. The part is a direct replacement for the earlier 426443B-00 control, making it applicable in systems that were originally equipped with that component.

Key Features

• Factory-new OEM component from Daikin McQuay
• Direct replacement for superseded part number 426443B-00
• One-year manufacturer warranty included
• Maintains original equipment temperature regulation specifications

Compatibility

Designed as an OEM-style replacement for Daikin McQuay commercial HVAC systems previously equipped with part number 426443B-00.

Installation Notes

Installation should be performed by a licensed HVAC technician familiar with commercial climate control systems. Disconnect and lock out all power to the unit before removing the existing temperature control. Follow the equipment manufacturer's wiring diagrams and applicable local codes when reconnecting the control. Verify system operation and setpoint accuracy after installation is complete.