Lennox 13H27 Electrode/Sensor Versatile Application: Ideal for furnace

Versatile Application: Ideal for furnace fans

Proper adjustment of this primary air shutter control is essential for achieving a stable flame

How do I know if my manual reset limit switch is tripped

preventing electromagnetic interference from disrupting the furnace's digital control logic

Lennox 13H27 Electrode/Sensor Versatile Application: Ideal for furnaceThe Lennox 13H27 Electrode Sensor is a critical OEM flame sensor replacement designed for high performance monitoring in residential and commercial heating cycles. This component is identical to part number 13H2701, providing a direct fit solution for technicians servicing Lennox GCS16 and GCS20 series units. Constructed with a high grade stainless steel electrode and lead oxide insulation, it effectively detects flame ionization to ensure the