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BCFurnace
020-780
020-780
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$54.56 CAD
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This L145-30F high limit control switch is a vital safety component for residential gas furnaces and HVAC heating systems. Designed as a disc-style thermostat, this part monitors the internal temperature of the heat exchanger to prevent overheating. If the temperature reaches the safety threshold of 145°F, the switch opens to interrupt the heating cycle, protecting your appliance from potential damage. It features an automatic reset with a 30°F differential, meaning it will close again once the temperature drops to 115°F. This replacement part is ideal for fixing issues where a furnace is short-cycling or failing to stay on due to a faulty safety sensor.
Type: High Limit Control Switch / Thermostat
Size: Standard furnace disc size
Application: Used primarily in gas furnaces, electric heaters, and HVAC air handlers to provide over-temperature protection and fan motor control.
Specifications: Cut-out temperature: 145°F; Differential: 30°F; Switch logic: Normally Closed (NC), opens on temperature rise; Reset type: Automatic.
Type: High Limit Control Switch / Thermostat
Size: Standard furnace disc size
Application: Used primarily in gas furnaces, electric heaters, and HVAC air handlers to provide over-temperature protection and fan motor control.
Specifications: Cut-out temperature: 145°F; Differential: 30°F; Switch logic: Normally Closed (NC), opens on temperature rise; Reset type: Automatic.
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