The Lennox 624349-04 23x26 Stainless Steel Heat Exchanger delivers reliable thermal performance and long-lasting durability for compatible Lennox and Allied HVAC furnaces. Precision-engineered with high-grade stainless steel, this 130-BTU heat exchanger maximizes heat transfer efficiency while resisting corrosion and thermal fatigue over extended service life. Designed to meet OEM specifications, this direct-fit replacement restores optimal heating capacity, improves furnace efficiency, and maintains safe operation.

This heat exchanger is manufactured to exacting quality standards to ensure consistent performance in residential heating systems. The 23x26 dimensional footprint and 130-BTU rating make it suitable for a range of Lennox HVAC models and select Allied units that require this specific configuration. Installation is simplified with exact fitment, reducing labor time and minimizing downtime during service calls or seasonal maintenance.

Technicians and homeowners alike trust the Lennox 624349-04 heat exchanger for dependable operation and compatibility with original furnace components. Whether servicing an aging system or completing a scheduled tune-up, this stainless steel heat exchanger helps maintain peak equipment performance and comfort levels throughout the heating season.

 

Key Features:

Applications:

This heat exchanger is intended for use in residential Lennox and compatible HVAC furnaces that specify a 23x26 heat exchanger with a 130-BTU rating. Check furnace model compatibility before ordering to ensure proper fit and performance.