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meaning it will automatically close the circuit once the sensed temperature falls below the reset point
this unit ensures reliable switching for compressors
Comprehensive gasket assembly reduces downtime by providing all necessary sealing components in one package
such as a grounded compressor
Precision Safety: High-sensitivity vent safety switch detects flue blockages to prevent CO poisoning
Lennox 12F19 Flame Sensor meaning it will automatically closeThe Lennox 12F19 Flame Sensor is a critical safety component designed for precise flame rectify detection in residential and commercial gas fired heating systems. This genuine OEM part is engineered to monitor the burner's pilot or main flame, sending a continuous microamp signal to the furnace control board. If the 12F1901 furnace sensor fails to detect a flame, it immediately signals the gas valve to shut down, preventing hazardous gas accumulation.