iO HVAC Controls HD-MOTOR Damper Actuator L99H008 regardless of inlet fluctuations up

regardless of inlet fluctuations up to 125 PSIG

and tank valves

making it ideal for standard low-pressure commercial heating boilers

maintaining high-level system integrity and operational safety

reducing heat generation during continuous run cycles

iO HVAC Controls HD-MOTOR Damper Actuator L99H008 regardless of inlet fluctuations upThe iO HVAC Controls HD MOTOR is a robust 24V 2 wire actuator designed for professional grade reliability in residential and light commercial zoning systems. As a spring return normally closed motor, it provides a failsafe operation for fresh air dampers, ensuring the intake remains sealed when de energized to prevent unconditioned air infiltration. This motor is engineered as a direct, high performance replacement for the Honeywell M847D ZONE, as