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Desa R165A Flame Sensor
A flame sensor is a safety device that can reliably detect the flame upon ignition. As you would probably could have guessed, if the sensor goes off the entire HVAC system will stop for as long as the problem remains.
Signals your safety flame sensor needs a replacement ASAP
- The whole system will sometimes work sporadically when it feels like it
- Any type of gas that has entered the furnace will not begin igniting and the system throws an error code
- The heating system refuses to produce heat and will shut everything down
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