Greenheck 384591 Limit Switch 321702-401 When replacing a failed 69M77

When replacing a failed 69M77

It features a 4A current rating and comes equipped with three auxiliary fan control circuits

This valve body is designed specifically for Siemens MT Series pneumatic and electronic actuators with a 7/32-inch (5

Always handle this replacement ignitor by the ceramic base and use clean gloves

Flexible Compatibility: The 9-13 PSI spring range integrates seamlessly with standard pneumatic controllers and HVAC pneumatic actuators

Greenheck 384591 Limit Switch 321702-401 When replacing a failed 69M77The 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