Lennox 42J03 - (42J0301) Fixed Limit Switch
The Lennox 42J03 (part number 42J0301) is a high-quality fixed limit switch designed to provide reliable temperature control and safety in HVAC systems. Engineered for use in Lennox furnaces and air handlers, this component plays a critical role in protecting equipment from overheating by interrupting the electrical circuit when the temperature exceeds a preset limit.
Key Features:
- Fixed Temperature Setting: Offers consistent operation with a factory-set limit temperature, ensuring safe system performance.
- Durable Construction: Built with high-quality materials to withstand repeated thermal cycles and long-term usage in demanding HVAC environments.
- Precision Performance: Ensures accurate temperature sensing and control to help prevent heat-related damage to critical system components.
- OEM Replacement Part: Genuine Lennox replacement switch, guaranteeing compatibility and maintaining manufacturer specifications for optimal system performance.
- Easy Installation: Designed for straightforward integration into compatible Lennox models with minimal downtime.
Applications:
The 42J03 fixed limit switch is typically used in gas furnaces, air handlers, and other HVAC systems where thermal protection is required. It serves as a critical safeguard to automatically shut down heating elements if internal temperatures rise beyond safe operating levels.
Specifications:
- Part Number: 42J03 / 42J0301
- Type: Fixed Limit Switch
- Function: Temperature limit protection
- Compatibility: Select Lennox systems (check model-specific documentation for fitment)
Ensure the continued safety and efficiency of your HVAC equipment with the Lennox 42J03 fixed limit switch—available now at Beenimax.