Description
The Copeland Comfort Control 3L03-140 is an SPDT temperature control switch designed for precise temperature monitoring and control in HVAC and heating applications. With a 140°F setpoint, this control can be used to open or close circuits based on temperature changes, making it suitable for fan control, limit protection, or other temperature-actuated functions. The single-pole double-throw (SPDT) configuration provides wiring flexibility for normally open or normally closed applications, allowing integration into a wide range of control systems.
Key Features
- 140°F temperature setpoint for controlled switching applications
- SPDT (single-pole double-throw) configuration for versatile wiring
- Suitable for fan control, limit control, and temperature monitoring
- Compatible with HVAC and heating system applications
- Provides reliable temperature-actuated switching
- Designed for residential and commercial equipment integration






