Johnson Controls M9220-BGC-3 Actuator Freon multi-stage gas furnaces

multi-stage gas furnaces

It facilitates Demand Control Ventilation (DCV) by signaling HVAC fans through 4-20 mA outputs

It is recommended to inspect the existing fan blade for balance issues or structural damage before reinstallation to prevent vibration-induced bearing wear

The MAMAC Systems HU-224-2-MA is a high-performance duct humidity transducer engineered for precise atmospheric monitoring in demanding HVAC and building automation environments

Precise Safety Monitoring: Prevents furnace ignition if proper draft speeds or vacuum levels are not achieved

Johnson Controls M9220-BGC-3 Actuator Freon multi-stage gas furnacesThe Johnson Controls M9220 BGC 3 is a high torque, spring return direct coupled actuator engineered for precise on off control of dampers in large scale HVAC systems. Delivering a significant 177 lb in torque (20 Nm), this unit provides the mechanical force necessary for return air, exhaust, or outside air dampers where fail safe operation is non negotiable. Designed for professional installation, this actuator simplifies retrofits as the direct