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and millivolt actuator into a single compact housing
Always verify the rotation from the lead end (discharge side) of the motor before installation to ensure the air is being pulled or pushed across the coil correctly
Flexible Compatibility: The 9-13 PSI spring range integrates seamlessly with standard pneumatic controllers and HVAC pneumatic actuators
provided the open air over ventilation is not obstructed
this element can be used in other OEM units that match the stamped front-plate footprint and 240VAC electrical requirements
Greenheck 384591 Limit Switch 321702-401 and millivolt actuator into aThe Greenheck 384591 High Limit Switch is a critical safety component engineered for precise thermal protection in commercial HVAC systems, specifically within Greenheck makeup air units and duct heaters. Designed as a manual reset limit switch, this sensor monitors discharge air temperatures to prevent heat exchanger damage or hazardous overheating conditions. This HVAC high limit control features a fixed temperature trip point, ensuring the circuit