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Critical Safety Protection: The 145F CO (Cut-Out) threshold prevents heat exchanger damage by breaking the circuit during high-temperature events
If the temperature is within the safe range (below 110°F)
Common Questions: What causes a White-Rodgers 3L09-18 to trip
Common Questions: What causes this limit switch to trip repeatedly
Daikin-McQuay 032279200 Crankarm Critical Safety Protection: The 145FFor field technicians managing Daikin Applied maintenance, the Daikin McQuay 032279200 Crankarm is the standard replacement for 1 2 inch shaft damper assemblies. This critical HVAC damper linkage hardware is engineered for a precise fit on 1 2" damper shafts, ensuring reliable torque transfer from the actuator to the damper blades. When you are troubleshooting erratic airflow or stuck dampers in RAH or RDS series units, checking the linkage crank arm
