Description
The Lennox 10G90 is an OEM-grade 180°F control limit designed to protect Lennox furnace systems from dangerous overheating conditions. Acting as a critical safety device, this high-limit control monitors supply-air or heat exchanger temperatures and interrupts the burner circuit when temperatures reach the preset 180°F threshold — preventing equipment damage, nuisance shutdowns, and potential safety hazards.
Product Overview
The 10G90 control limit is a direct Lennox replacement part engineered to maintain the safety and efficiency of compatible Lennox heating equipment. When temperatures return to a safe operating range, the control resets to restore normal furnace operation, making it an essential component for long-term system reliability.
Key Features
- 180°F preset trip temperature for precise high-limit protection
- Interrupts burner circuit on over-temperature condition
- OEM Lennox replacement part — direct fit for compatible models
- Helps prevent heat exchanger damage and fire hazards
- Supports automatic reset once safe temperatures are restored
- Compact design for easy installation in tight furnace compartments
Application
- Compatible with select Lennox gas furnace models requiring a 180°F high-limit control
- Ideal for residential and light commercial heating systems
- Suitable for replacement or service maintenance applications
Why Choose the Lennox 10G90?
Using genuine Lennox replacement controls ensures your furnace operates within manufacturer-specified safety parameters. The 10G90 delivers the same performance and reliability as the original factory component, giving HVAC technicians and homeowners confidence in every installation.
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