the motor utilizes a thru-bolt mounting configuration with extended studs

providing the necessary airflow to prevent pressure switch tripping and thermal cycling

Engineered for precise furnace circuit board logic

If the control board signals a "stuck open" fault

Johnson Controls M9220-601 Coupler Kit 322838-753 the motor utilizes a thru-boltThe Johnson Controls M9220 601 Replacement Coupler Kit is a critical hardware component designed for the direct mount installation of M9220 xxx 3 series proportional electric spring return actuators. This kit is specifically engineered to adapt these high torque 177 lb in actuators to smaller damper shaft profiles that fall below the standard 3 4 inch minimum of the factory clamp. As a veteran requested solution for field retrofits, this actuator