Reznor 115681 Motor R-22 ensuring the control board can

ensuring the control board can accurately modulate the firing rate and maintain the correct delta T across the heat exchanger

protecting the primary heat exchanger from thermal stress and potential cracks

Industrial Durability: Equipped with permanent ball bearings and Class B insulation for long-term thermal stability

The Johnson Controls TE-635AP-1 is a professional-grade platinum temperature sensor designed for accurate thermal monitoring in heavy-duty HVAC systems

Continuous Duty Rating: Engineered by ASCO to handle constant energization without overheating

Reznor 115681 Motor R-22 ensuring the control board canThe Reznor 115681 Motor is a high torque 24V proportional damper motor engineered for heavy duty airflow modulation in commercial and industrial HVAC systems. This spring return actuator is electronically and physically identical to the Honeywell M9175A1051, providing a direct fit replacement for legacy Modutrol IV systems using Series 90 control circuits. With a 60 in lb torque rating and a nominal 30 second timing for a 90 degree stroke, this motor