Manufacturer Name: Trane Product Number: CHG0059 OEM Part Number: CHG0059 Product Description: The Trane CHG0059 - 17.3X26.3 Field Charger Assembly in an HVAC system typically refers to a component that is responsible for charging and maintaining the operation of batteries or power sources within the system. It is an important part of the HVAC control system, especially in situations where backup power is needed for critical functions. The Field Charger Assemblies may have built-in monitoring and maintenance features. They can check the condition of the batteries and ensure they are in good working order. The presence of a Field Charger Assembly enhances the safety and reliability of the HVAC system, particularly in commercial or industrial settings where uninterrupted climate control is vital.