Product Description Exact Replacement Part number 18G89Furnace Flame SensorReplacement for Lennox, Armstrong number 18G89013-1/8 inch in total length The 18G89 Furnace Flame Sensor detects the presence of a flame and sends an electrical signal to a central controller.
5 exact replacement Posted by dennis sibson on 23rd Dec 2022 27 year old Lennox had a crack in the sensor thought I would have a harder time locating parts. Thank you
Exact Replacement 69W43 for Armstrong Lennox Ducane Furnace Flame Sensor KHR77,993.82 KHR32,555.37 KHR32,555.37 Add to Cart
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Exact Replacement 98M87 for Lennox Armstrong Ducane Furnace Flame Sensor Rod 98M8701 KHR71,204.64 KHR25,725.28 KHR25,725.28 Add to Cart
Furnace Flame Sensor Rod for Lennox Armstrong Ducane 52W29 52W2901 KHR43,884.31 KHR43,884.31 Add to Cart
Robertshaw 10-6840 for Armstrong Lennox Ducane 69W43 LB74940B Furnace Flame Sensor KHR101,633.27 KHR49,078.44 KHR49,078.44 Add to Cart
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