020-548

The Flame Rollout Switch is a vital safety device engineered for gas-fired furnace systems. Its primary function is to monitor the heat levels near the burner assembly and detect 'flame rollout'—a hazardous situation where flames escape the combustion chamber. When excessive heat is detected outside the heat exchanger, the switch trips and breaks the electrical circuit, immediately shutting down the gas valve to prevent fire or further damage to the HVAC unit. This component is essential for maintaining the safe operation of residential and commercial heating equipment. If your furnace is frequently shutting down or failing to ignite, a faulty or tripped rollout switch may be the cause, necessitating a high-quality replacement to ensure continued safety and performance.
Type: Flame Rollout Switch
Size: Small
Application: Standard gas-fired furnaces, residential heating systems, and commercial HVAC units.
Specifications: Thermal limit safety sensor, high-temperature tolerance, typically includes a manual reset button and integrated mounting flange.