Lennox 39H24 Damper Coupler Is the 18G89 interchangeable with

Is the 18G89 interchangeable with the 18G8901

For contractors performing a furnace limit switch replacement

Bypassing is never recommended for permanent operation

we recommend use with OEM controllers like the LPC-2000 for verified accuracy

Utilizing genuine Reznor 98698 components ensures proper flame impingement on the thermocouple or flame sensor

Lennox 39H24 Damper Coupler Is the 18G89 interchangeable withThe Lennox 39H24 Damper Coupler Left is a critical genuine OEM replacement part engineered for precise airflow management in commercial and residential Lennox HVAC systems. As a veteran technician knows, maintaining the integrity of the linkage between the damper actuator and the louver blades is essential for pressure control and ventilation efficiency. This left hand specific coupler is designed to eliminate slippage and ensure responsive adjustment