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Carrier 48GS042090300 Flame Sensor
A flame sensor is a contraption that will sense the acceptable flame when the system starts. For obvious reasons, when the flame sensor is activated the furnace will not start until the problem is fixed.
Key indicators that my primary flame sensor is in need of replacing?
- The gas will not even try to begin an ignition sequence and the control shows an error
- The gas furnace is unwilling to fire up when you crank the thermostat up
- The unit will operate occasionally when it wants to
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If you decide on picking up or purchasing a replacement flame sensor for your Carrier 48GS042090300, do your due diligence and cross-check the correct model and also make a visual inspection in order to be sure the right flame sensor is the one being purchased. HVAC professionals may charge higher prices than others so it is best to shop around to find a good deal if money is of great importance to you.
Feel free to download your manual for help.
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