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International Comfort Products NNE100F20A1 Flame Sensor
A flame sensor is one that can sense the exact flame during the initial ignition of the furnace. Due to the overall safety issue, when the sensor is triggered by an event the whole system stops until the problem is fixed.
Red flags your furnace flame sensor should be replaced
- The propane or natural gas refuses to properly ignite and shuts off
- Your furnace is unwilling to generate heat when the control board tells it to
- The unit kicks in sometimes when it wants to
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