Description
The Copeland 3L09-1 limit control is a temperature-sensitive bimetal disc switch designed for reliable thermal protection and control in HVAC systems. This board-mount control opens at 140°F and automatically resets by closing at 100°F, making it ideal for regulating temperature limits in furnaces, air handlers, and other heating equipment. Its compact design allows for direct mounting onto control boards or equipment surfaces, while the snap-action bimetal disc ensures consistent and repeatable performance under varying thermal conditions. Suitable for residential and light commercial HVAC applications, it provides dependable over-temperature protection and system control.
Key Features
- Opens at 140°F and closes at 100°F (automatic reset)
- Bimetal disc snap-action switching for reliable performance
- Board-mount design for compact installation
- Provides temperature limit control and overheat protection
- Suitable for furnaces, air handlers, and HVAC equipment
- Durable construction for repeated thermal cycling
- Ideal for residential and light commercial applications
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