Nordyne 626481R Limit Switch What causes this 185F switch

What causes this 185F switch to trip frequently

Does this unit work with electronic ignition systems

updated version of the 312800

Contractors should verify the temperature rating and mounting orientation to ensure the probe is correctly positioned in the airstream for accurate thermal sensing

this device breaks the electrical circuit to the gas valve when temperature thresholds are exceeded

Nordyne 626481R Limit Switch What causes this 185F switchThe Nordyne 626481R Limit Switch is a critical OEM safety component designed for high performance temperature regulation in residential and light commercial HVAC systems. This L135 40 limit switch is engineered to open the electrical circuit at a fixed cutout temperature of 135F, effectively interrupting the burner or blower circuit to prevent thermal override and equipment damage. As an auto reset limit switch, it automatically re closes the circuit