FLAME SENSOR

Lennox 12L09 Flame Sensor – Genuine OEM Replacement Part

The Lennox 12L09 Flame Sensor is a genuine OEM replacement component designed to verify flame presence during burner operation. By accurately detecting ignition, this flame sensor helps prevent system malfunctions, unexpected shutdowns, and potential safety hazards, ensuring reliable and safe furnace performance.

Manufactured to Lennox’s exact specifications, the 12L09 flame sensor delivers perfect fit and seamless compatibility with existing Lennox HVAC systems. Using a real OEM flame sensor supports manufacturer compliance, promotes efficient system operation, and helps extend the life of your equipment.

Key Features & Benefits

• Genuine Lennox OEM Part – Guaranteed fit, quality, and performance

• Ensures Safe Operation – Confirms flame ignition to prevent unsafe conditions

• Reliable Performance – Reduces nuisance shutdowns and ignition failures

• Exact Replacement – Designed to meet original manufacturer standards

• Enhanced System Efficiency – Supports proper burner operation and control response

Product Specifications

• Brand: Lennox

• Part Number: 12L09

• Product Type: Flame Sensor

• Application: HVAC furnace ignition and flame verification

Ideal for technicians and homeowners alike, the Lennox 12L09 Flame Sensor is the trusted solution for maintaining safety, efficiency, and long-term reliability in Lennox heating systems.