000-306

This Lennox L300F Limit Switch is a vital safety component designed for high-limit temperature control in HVAC systems and air handlers. Functioning as an automatic reset fan disc, this thermal switch monitors the internal heat levels of your heating equipment to prevent overheating and potential damage. When the temperature reaches its 300-degree Fahrenheit threshold, the switch opens to interrupt the circuit, ensuring the system operates within safe parameters. Once the unit cools down, the auto-reset feature restores the connection, allowing for seamless operation. This replacement high-limit control is essential for furnace repair and routine maintenance, providing reliable protection for residential and commercial heating units.
Type: Fan Disc High Limit Control Switch
Size: Standard snap disc
Application: Used in forced air furnaces and electric air handlers to monitor internal temperatures and provide safety shut-off capabilities.
Specifications: Cut-out temperature: 300°F; Reset type: Automatic; Switch type: Normally closed (opens on temperature rise); Application: High-temperature safety limit.