Lennox 31W19 Induced Draft Flue Transition OEM Replacement Part

The Lennox 31W19 Induced Draft Flue Transition is a genuine OEM replacement component designed to connect a furnace to the venting system, ensuring proper routing of combustion exhaust gases safely out of the building. This transition piece plays a critical role in maintaining safe and efficient furnace operation by directing flue gases from the heat exchanger into the exhaust vent pathway.

Key Features:

• Genuine Lennox OEM part — exact drop-in replacement for original components
• Directs combustion exhaust gases from the induced draft assembly to the flue venting system
• Supports consistent draft under varying flue conditions for complete combustion
• Engineered to maintain published system efficiencies, ratings, and certifications
• Preserves sound quality and performance requirements of the original system
• Ensures safe system operation and compliance with safety standards

As a factory-original Lennox component, the 31W19 is built to match the exact specifications of the unit it replaces, providing a seamless fit and reliable long-term performance. Choosing genuine OEM parts helps re-establish the unit's original heating efficiency and avoids compatibility issues associated with aftermarket alternatives.