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Heat Controller VMH12SC-1 Flame Sensor
A flame sensor is a contraption that senses the flame during the initial ignition of the furnace. As with any other safety sensor, if the sensor generated a error everything stops for as long as it takes to remedy the problem.
Elements of a failing flame sensor
- The gas furnace cannot fire up when you want it to
- System turns on on certain occasions but only on the third Wednesday of on months beginning on Thursday
- The main type of gas refuses to try to begin igniting and closes the gas valve
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