080-078

The L230-30F Auto Limit Switch is a vital safety component engineered for residential gas furnaces and HVAC heating systems. This high-limit control switch acts as a critical thermal safeguard by monitoring the internal temperature of the heat exchanger. Designed to prevent system overheating, the switch automatically interrupts the electrical circuit if temperatures rise above the safe operating threshold. As an automatic reset limit switch, it restores connectivity once the system has cooled to a safe level, ensuring continuous and reliable climate control. This fan disc-style switch is a common replacement part for maintaining furnace safety, improving heating efficiency, and protecting sensitive internal components from heat damage.
Type: High Limit Control Switch
Size: Small
Application: Used as a primary safety limit in gas furnaces, air handlers, and residential HVAC heating units to prevent overheating and equipment damage.
Specifications: Automatic reset; Open temperature: 230°F; Temperature differential: 30°F; Fan disc configuration for surface mounting.