Description
Overview
The Johnson Controls M9208-600 is a Large Shaft Coupler Kit engineered specifically for mounting M9208 Series electric spring-return actuators onto damper shafts. Whether your application involves round or square shafts, this coupler kit provides a secure, reliable mechanical connection that ensures accurate actuator-to-damper alignment and consistent performance in commercial HVAC systems.
Key Features
- Designed exclusively for use with Johnson Controls M9208 Series electric spring-return actuators
- Accommodates round damper shafts ranging from 1/2″ to 3/4″ in diameter
- Accommodates square damper shafts ranging from 3/8″ to 9/16″ in size
- Large shaft coupler configuration for applications requiring a wider shaft size range
- Ensures a rigid, slip-resistant connection between the actuator and damper shaft
- Simplifies installation and reduces setup time in the field
- Genuine Johnson Controls OEM accessory for guaranteed compatibility
Applications
- Commercial and industrial HVAC damper control systems
- VAV (Variable Air Volume) systems utilizing M9208 Series actuators
- Air handling units and mixed-air damper applications
- Building automation systems requiring precise damper positioning
Compatibility
- Compatible with Johnson Controls M9208 Series electric spring-return actuators
- Round shaft sizes: 1/2″ to 3/4″
- Square shaft sizes: 3/8″ to 9/16″
Why Choose the M9208-600?
Using the correct coupler kit is critical to the performance and longevity of your actuator installation. The Johnson Controls M9208-600 eliminates guesswork by providing an OEM-engineered solution that delivers a secure, vibration-resistant fit. Its broad shaft size compatibility makes it a versatile choice for technicians working across a variety of damper configurations in commercial HVAC environments.







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