Lennox 69W43 Flame Sensor The kit features optimized linkage

The kit features optimized linkage springs specifically calibrated for maximum close-off pressure

This HSI ignitor provides a highly stable and efficient ignition source for 15

and 5) for straightforward wiring-in of HVAC compressor service and repairs

it provides exact gas metering that aftermarket universal alternatives often fail to replicate

014 orifice ensures optimal flow rates for stable ignition

Lennox 69W43 Flame Sensor The kit features optimized linkageThe Lennox 69W43 Flame Sensor is a critical OEM safety component engineered for precise flame rectification within gas furnace burner assemblies. As a direct 69W4301 replacement part, this sensor features a high grade stainless steel sensing rod capable of withstanding operating temperatures up to 2190F, paired with a durable ceramic insulator rated for 1000F. When the furnace control board initiates the ignition sequence, the 69W43 detects the