Lennox 47K18 - (R37520B005) Thermal Rollout Switch, Green ID Color, Manual Reset, 400°F Actuation
Ensure reliable safety performance with the Lennox 47K18 Thermal Rollout Switch, part number R37520B005. This critical safety component is engineered to protect your HVAC system from overheating conditions caused by flame rollout. It features a green identification color for quick and accurate visual identification during installation or servicing.
Key specifications include an actuation temperature of 400°F ± 20°F, making it highly responsive to abnormal heat levels. Designed with a manual reset, the switch requires a technician's intervention to restore operation—an essential feature for maintaining system safety and compliance.
The switch is equipped with 45-degree quick connect terminals for secure and efficient wiring, streamlining the installation process while ensuring dependable connections. It is compatible with a wide range of Lennox heating systems and is ideal for use in gas furnaces and other HVAC units where thermal protection is required.
Product Features:
- Manufacturer: Lennox
- Part Number: 47K18 (R37520B005)
- Function: Thermal rollout safety switch
- Actuation Temperature: 400°F ± 20°F
- Reset Type: Manual reset
- Identification Color: Green
- Terminal Type: 45° quick-connect terminals
- Application: Flame rollout detection and over-temperature safety in HVAC systems
Maintain safe and reliable furnace operation by replacing worn or damaged safety switches with the genuine Lennox 47K18 Thermal Rollout Switch. Ideal for contractors and technicians prioritizing performance, safety, and OEM compatibility.
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