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Whirlpool ATR1242SPP0 Flame Sensor
The flame sensor is a regulatory sensor that will consistently detect the flame during the initial ignition of the furnace. As you would probably could have guessed, if the flame sensor senses a problem the whole HVAC system will remain stopped for as long as it takes to remedy the problem.
Key clues of a poorly performing safety flame sensor
- The entire heating system will start rarely when it wants to
- Your system is unable to fire up no matter what
- The type of gas you use cannot burn and shuts itself off
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