EWC Controls MRK Replacement Motor Kit 321894-709 Refer to the wiring diagram

Refer to the wiring diagram on your furnace door to match the flash count with the corresponding fault

For maritime or salt water applications

this double-inlet blower wheel is factory-balanced to eliminate vibration and ensure quiet

eliminating the points-sticking issues found in mechanical potential relays

Engineered to handle voltage fluctuations and thermal cycling common in industrial furnace repair and AC maintenance scenarios

EWC Controls MRK Replacement Motor Kit 321894-709 Refer to the wiring diagramThe EWC Controls MRK Replacement Motor Kit is the industry standard solution for restoring functionality to malfunctioning Ultra Zone dampers. As a direct replacement for EWC MA ND4 actuators, this kit allows technicians to swap out the motor without replacing the entire damper assembly, significantly reducing labor time and material costs. Operating on 24 VAC at a 1. 5 VA rating, the MRK motor provides the precise torque required for consistent open