Description
The Trane COL18122 is a heavy-duty 3-row indoor coil engineered for dependable performance in commercial and residential HVAC applications. Measuring 40″ x 44.5″, this generously sized coil delivers efficient heat transfer across a large face area, making it well-suited for high-capacity air handling and fan coil systems.
Product Overview
Designed and manufactured to Trane’s exacting quality standards, the COL18122 indoor coil is a direct OEM replacement part that ensures compatibility and long-term reliability when installed in supported Trane systems. The 3-row coil configuration provides an optimal balance of heat transfer efficiency and airflow resistance, supporting consistent system performance across a wide range of operating conditions.
Key Features
- 3-row coil design for efficient heat transfer
- Large face dimensions: 40″ x 44.5″ for high-capacity applications
- OEM Trane replacement part — ensures proper fit and compatibility
- Engineered for use in commercial and residential air handling systems
- Durable construction built to Trane quality standards
- Supports consistent system performance and energy efficiency
Application
This indoor coil is intended for installation in compatible Trane air handlers and fan coil units. Always verify system compatibility using the equipment model number and Trane product documentation before installation. Proper installation by a qualified HVAC technician is recommended to ensure optimal performance and to maintain system warranties.







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