Because the 48TC includes both gas and electric systems, the parts list spans multiple categories: refrigeration, gas heating, blower/motor, electrical controls, and cabinet/frame.

Disclaimer: Part numbers mentioned are examples based on common 48TC configurations (Series D, E, F). Always consult the unit’s installation or service manual before ordering replacement components.

| Part | Description | Common OEM Part # Example | |------|-------------|----------------------------| | Filter (Standard) | 2" throwaway or pleated | Carrier sizes: 20x25x2, 16x20x2, etc. | | Economizer Assembly | For free cooling | 48TC Economizer (CEPL130356) | | Barometric Relief Damper | For pressure equalization | 48TC Relief Damper | | Motor Master Head Pressure Control | For low-ambient cooling | Carrier MM-5 or MM-12 | | Access Panels | Corner or side panels | 48TC Panel Kit (varies) | | Coil Guard (Grille) | For condenser protection | 48TC Coil Guard |

Carrier uses a specific nomenclature system to identify the unit's configuration. A typical model number looks something like this: or 48TC-012 .

Before diving into the parts list, it helps to understand the 48TC nomenclature. These units typically combine: