Johnson Controls M9208-BAC-3 Actuator 30067439-890 Optimized Performance: Restores factory-spec responsiveness

Optimized Performance: Restores factory-spec responsiveness and sealing for ASCO 8238 solenoid valves

for this specific model)

It is the direct replacement for part number 511-546-920 and is commonly specified for high-efficiency units like the Weil McLain Ultra and ECO Tec series

Replacing the pair ensures the flame sensor circuit is properly completed

refer to your unit's wiring diagram to verify capacitor requirements for your specific production year

Johnson Controls M9208-BAC-3 Actuator 30067439-890 Optimized Performance: Restores factory-spec responsivenessThe Johnson Controls M9208 BAC 3 is a robust Spring Return Direct Coupled Actuator engineered for reliable two position control in demanding HVAC applications. Operating at 120Vac, this unit delivers a rated 70 lb in torque, ensuring positive closure on dampers and valves during power loss. The M9208 series is a preferred choice for contractors requiring a 55 71 second power on run time and precise mechanical fail safe positioning. This model features