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Goodman GSX160421 Flame Sensor
A flame sensor is a safety device that senses the proper flame upon ignition. For obvious reasons, when the flame sensor gets triggered by something the gas valve is shut off and the system halts until the problem is dealt with.
Major signs your furnace flame sensor has to be replaced
- LP or natural gas will not even try to burn and the main board displays on error code
- The unit will sort of operate on certain occasions but only on the third Wednesday of on months beginning on Thursday
- The furnace is unwilling to begin operations when you want it to
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