765-080

This 5/8-inch flame rollout switch is a critical safety component designed for gas-fired heating systems, including residential and commercial furnaces and boilers. As a thermal limit safety device, it monitors the burner area for flame rollout—a dangerous condition where heat or flames escape the combustion chamber. This switch features a fixed temperature setting that triggers at 140°F (L140F), immediately interrupting the electrical circuit to shut down the appliance and prevent potential fire hazards. Equipped with a manual reset button, this part ensures that the heating system cannot restart until the underlying cause of the rollout has been inspected and the switch is manually reactivated. It is a vital replacement part for maintaining the safe operation of HVAC equipment.
Type: Flame Rollout Switch
Size: 5/8" Disc
Dimensions: 0.625 inches (disc diameter)
Application: Used in gas-fired furnaces, boilers, and heating units as a safety limit to detect heat exchanger blockages or venting issues.
Specifications: Temperature Rating: 140°F (L140F); Reset Type: Manual; Configuration: Normally Closed (NC); Mounting: 5/8-inch disc footprint.