Description
The Copeland Comfort Control 3L09-20 is an automatic reset limit switch designed for high-temperature protection in HVAC and heating systems. This switch opens at 240°F and recloses at 210°F, providing reliable temperature-based control to prevent overheating. Commonly used in furnaces and air handlers, it monitors system temperatures and interrupts the circuit when unsafe conditions occur, then automatically restores operation once temperatures return to acceptable levels. It is ideal for residential and light commercial heating applications requiring dependable thermal protection.
Key Features
- Opens at 240°F and closes at 210°F for high-temperature control
- Automatic reset operation for continuous system cycling
- Provides over-temperature protection for HVAC equipment
- Suitable for furnaces and air handlers
- Temperature-actuated switching for reliable performance
- Designed for residential and commercial heating applications
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