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Carrier 38YSA030 Flame Sensor
The flame sensor is a vital part that senses the precise flame while the system is starting. Due to the overall safety issue, when the flame sensor is activated the furnace cannot start again until the main issue is remedied.
Indications the primary flame sensor is not going to last much longer
- Your heating system refuses to supply heat and shuts down
- The type of gas you use will not start an ignition sequence and closes down
- HVAC system starts sometimes when it feels like it
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