Laars Heating Systems 20430400 Rollout Switch 318973-401 Other symptoms include the system

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

protecting the internal PTFE O-ring and ensuring a superior external seal

this is an automatic reset model that resumes operation once gas pressure returns to acceptable levels

Laars Heating Systems 20430400 Rollout Switch 318973-401 Other symptoms include the systemMaximize 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