Johnson Controls M9208-BAC-3 Actuator 30067439-890 It is the direct replacement

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

or RC-4864-HH for high-acid cleanup

this part is the official superseding number for the S1-028-12359-700

You will receive a cage

Johnson Controls M9208-BAC-3 Actuator 30067439-890 It is the direct replacementThe 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