Johnson Controls M9220-600 Kit 321702-401 Spring Return Fail-Safe: Automatically returns

Spring Return Fail-Safe: Automatically returns to the normally open position upon loss of power to prevent system freeze-ups or stagnation

it offers the structural integrity required for commercial boiler systems and chiller plant maintenance

Common Questions What is the maximum working pressure for the Danfoss WVFX-40

Easy Installation: Designed for standard 48-frame mounting or specific unit configurations for a faster repair process

Is this valve compatible with thermocouple or thermopile leads

Johnson Controls M9220-600 Kit 321702-401 Spring Return Fail-Safe: Automatically returnsThe Johnson Controls M9220 600 is a heavy duty 1" Jackshaft Coupler Kit engineered for industrial grade damper actuator mounting. Specifically designed for the M9220 Series, including proportional electric spring return actuators, this kit provides a secure mechanical interface for larger shafting. It allows technicians to mount actuators on heavy duty dampers with 3 4" to 1 1 16" round shafts or 5 8" and 3 4" square shafts, ensuring slippage free