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Whirlpool ATR1255SPP0 Flame Sensor
A flame sensor is a safety feature that will reliable sense the appropriate flame while the system is starting. As with most safety features, if the flame sensor senses a problem everything stops until the main issue is remedied.
Symptoms to watch for in a bad primary flame sensor
- The gas that has entered the furnace will not ignite and shut down
- Your gas furnace is unable to work and will shut everything down
- The heating system starts sporadically when it feels like it
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