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International Comfort Products PHAD42N1K2 Flame Sensor
A flame sensor is a device that can reliably detect the correct flame during the initial ignition of the furnace. As with most safety features, when the sensor is triggered by an event the whole system stops until obstacle is corrected.
Hints of a deteriorating furnace flame sensor
- The unit turns on rarely whenever it pleases
- Any type of gas that has entered the furnace will not start an ignition sequence no matter what you do
- Your heating system is unwilling to start and shuts down
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