Lennox 31W19 Flue Transition

Ind. Draft Flue Transition

Lennox 31W19 Induced Draft Flue Transition – Genuine OEM HVAC Replacement Part

The Lennox 31W19 Flue Transition is a genuine OEM induced draft component designed to ensure proper exhaust venting in Lennox packaged HVAC systems. This critical part helps direct combustion gases safely and efficiently through the venting system, supporting reliable furnace operation and maintaining overall system performance.

Engineered to Lennox’s exact factory specifications, the 31W19 induced draft flue transition provides a precise fit and dependable durability. Using a real OEM replacement part helps maintain proper airflow, combustion efficiency, and long-term equipment reliability—reducing the risk of venting issues that could impact heating performance.

Ideal for HVAC service professionals and maintenance applications, this component restores safe exhaust gas flow and helps keep your Lennox system operating as designed.

Key Features

• Genuine Lennox OEM Part – Ensures exact fit and performance

• Part Number: 31W19

• Product Type: Induced Draft Flue Transition

• Supports proper exhaust gas venting in packaged HVAC units

• Helps maintain combustion efficiency and system reliability

• Built for durability and long service life

Applications

• Lennox packaged heating and HVAC units

• Systems using induced draft combustion venting

Replacing a damaged or corroded flue transition is essential for maintaining safe furnace operation and proper ventilation.

Note: Always verify equipment compatibility using your model number before purchasing.

This item is not eligible for free shipping.