The Lennox 18G94 Transition Flue 5" is a factory-engineered HVAC venting component designed to provide a secure and efficient transition for exhaust flue systems requiring a 5 inch diameter connection. This part is used in heating applications where proper vent sizing and alignment are critical to safe combustion gas removal and consistent system performance.

Manufactured to Lennox OEM standards, the 18G94 transition flue helps ensure reliable draft control and proper airflow within the venting system. Its precision-formed construction allows for a tight, stable fit between connected flue sections, reducing the risk of exhaust leakage and supporting code-compliant installations. This makes it well suited for use in residential and light commercial furnace or boiler applications that specify a 5 inch flue transition.

Built from durable metal materials designed to withstand heat and long-term operation, the Lennox 18G94 supports dependable performance throughout the heating season. It is an ideal replacement or installation component when maintaining or servicing Lennox HVAC equipment that requires an exact 5 inch flue transition.

 

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