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Friedrich MR24DY3F Flame Sensor
The flame sensor is one of the safety features that will dependably sense the proper flame during the initial ignition of the furnace. As you would probably could have guessed, if the flame sensor is triggered the whole system stops for as long as the problem remains.
Some clues the Friedrich flame sensor will not live much longer
- The heating system is unwilling to produce heat when you have it set to
- The propane or natural gas will not even try to begin igniting and the whole system shuts down
- The whole system starts infrequently at the stroke of midnight after the second full moon following the second Sunday of the month
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