Lennox 46K70 - (R40154B007) Control-Limit
The Lennox 46K70 (OEM Part Number R40154B007) Control-Limit is a precision-engineered safety component designed to protect HVAC systems from overheating. This high-quality limit switch functions as a temperature-sensitive device that monitors internal system temperatures and interrupts electrical continuity when safe operational thresholds are exceeded. It plays a critical role in maintaining equipment reliability and user safety by helping prevent damage to furnaces and air handlers during abnormal thermal conditions.
Key Features:
- Genuine Lennox OEM Part – Ensures compatibility and performance with Lennox heating systems.
- High-Temperature Limit Protection – Automatically opens the circuit when a designated temperature is reached, safeguarding critical components.
- Durable Construction – Built with heat-resistant materials for dependable performance under repeated thermal cycles.
- Factory-Calibrated – Preset to exact specifications for accurate temperature sensing and responsive shutdowns.
Specifications:
- Part Number: 46K70
- Manufacturer Number: R40154B007
- Type: High Limit Switch / Control-Limit
- Application: Over-temperature protection in HVAC systems
- Mounting: Surface-mount configuration for easy installation
Compatibility:
Designed specifically for use in select Lennox gas furnaces and air handlers. Always confirm model compatibility before installation.
Designed specifically for use in select Lennox gas furnaces and air handlers. Always confirm model compatibility before installation.
Installation Note:
Installation should be performed by a qualified HVAC technician to ensure proper fitment and safe operation. Tampering or incorrect installation may compromise system safety.
Installation should be performed by a qualified HVAC technician to ensure proper fitment and safe operation. Tampering or incorrect installation may compromise system safety.
Why Choose Beenimax.com?
At Beenimax.com, we supply only genuine OEM Lennox components, ensuring long-term reliability and performance. Whether you’re a contractor or homeowner, trust us for fast shipping, knowledgeable support, and competitive pricing on all HVAC parts.