KMC Controls MEP-4501 Actuator 322057-301 or inadequate combustion air causing

or inadequate combustion air causing flames to "roll out" toward the burner front

Repeated trippingùor short cyclingùis usually caused by restricted airflow

which can stress the plastic housing

the internal disc has failed and the part must be replaced

making it an ideal drop-in replacement motor head

KMC Controls MEP-4501 Actuator 322057-301 or inadequate combustion air causingThe KMC Controls MEP 4501 Actuator is a high performance, non spring return direct coupled actuator designed for precise tri state (floating) or two position control in HVAC systems. Delivering a minimum torque of 45 in lb, this 24V actuator is optimized for controlling small dampers and valves with a focus on quiet, reliable operation. The MEP 4501 features a patented noise reducer for whisper quiet performance, making it ideal for indoor commercial