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Carrier 38YRA042 Flame Sensor
A flame sensor is a regulatory sensor that will consistently detect the flame while the system is starting. As with most devices used for safety reason, if the flame sensor senses a problem the entire HVAC system will stop until obstacle is corrected.
Major signs of a defective furnace flame sensor
- The entire heating system operates occasionally when it wants to
- Your gas furnace will not work when you have it set to
- The type of gas you use refuses to start an ignition sequence no matter what you do
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