Laars Heating Systems 20430400 Rollout Switch 318973-401 or the thermal overload protector

or the thermal overload protector tripping shortly after startup

The EON series is backward compatible with many ECM 2

Other symptoms include the system failing to initiate the ignition sequence

with a maximum hold voltage of 420V and a drop-out range of 60V to 125V

this model utilizes an external equalizer to account for pressure drops across the evaporator coil

Laars Heating Systems 20430400 Rollout Switch 318973-401 or the thermal overload protectorMaximize the safety and operational integrity of your heating equipment with the Laars Heating Systems 20430400 Rollout Switch. Designed specifically as a critical safety limit for Laars Mighty Stack models TL80 and TL00, this OEM component is engineered to detect abnormal burner compartment temperatures and break the safety circuit before hazardous conditions escalate. As an HVAC rollout switch featuring a manual reset, it provides a positive lockout