Lennox 48L28 Collector Box Freon but the base rails or

but the base rails or specific Lennox mounting frames must be retained from the original unit

This item is the painted top panel only

How do I verify the bore size before installation

Precision Airflow Control: Maintains consistent CFM delivery to ensure uniform temperature levels throughout the home

Lennox 48L28 Collector Box Freon but the base rails orWhen you are performing a secondary heat exchanger repair or addressing combustion air issues, the Lennox 48L28 Collector Box Gasket is a critical component for restoring the integrity of the flue gas collection system. This genuine OEM Lennox replacement part is engineered to provide a high temperature, airtight seal between the collector box and the blower deck or indoor coil assembly. Maintaining a precise seal at the collector box base is