Lennox 46K91 Heat Exchanger 30067439-890 the 196654 is frequently utilized

the 196654 is frequently utilized in high-altitude pressure switch kits for tubular infrared heaters (Model TR) and older FE/BE series heaters operating at elevations between 4

Verify your model number against technical documentation before installation

Essential for resolving Raypak heater fault codes and restoring reliable ignition sequences

For 240V needs

"snapped" connection that simplifies field installation and service in tight mechanical spaces

Lennox 46K91 Heat Exchanger 30067439-890 the 196654 is frequently utilizedThe Lennox 46K91 Heat Exchanger is a genuine OEM replacement part engineered specifically for high efficiency Lennox furnaces. As a factory authorized Lennox 46K9101 assembly, this component facilitates critical thermal transfer between combustion gases and the supply air stream, ensuring the structural integrity of the combustion chamber. For technicians performing gas furnace secondary heat exchanger repair, this part provides the exact physical