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Goodman GKS90904CXAA Flame Sensor
A flame sensor is a contraption that can sense the appropriate flame upon ignition. As you could guess, if the flame sensor gets set off the furnace cannot start again until obstacle is corrected.
Major indications the Goodman flame sensor will need replacing
- Your gas furnace is unable to fire up at all
- The unit operates on certain occasions only
- The type of gas you use cannot burn and the board throws an error
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