Ensure the sensor is located in the discharge air stream where a representative average temperature can be maintained to prevent hunting or erratic burner cycles

the S1-025-31890-001 features a built-in strainer assembly

Durable Construction: Stainless steel drawbars and nickel-plated linkages provide heavy-duty resistance against mechanical wear in high-cycle environments

Precision Airflow: Maintains 1050 RPM to ensure consistent humidity control and heat exchange

Secure Shaft Mounting: The 1/2" finished bore includes a precision-machined keyway and setscrews for slip-free performance

Fasco A211 Motor R-407C Ensure the sensor is locatedThe Fasco A211 Motor is a high performance 115v 1sp draft inducer motor specifically engineered for Lennox furnace systems. This shaded pole motor operates at a reliable 3400 RPM to provide the precise static pressure required for safe combustion gas venting. Designed to handle the corrosive environment of flue exhausts, the A211 Fasco motor features a robust 1 15 HP output and draws 2. 35 Amps under full load, ensuring it meets the stringent