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Friedrich MW12Y3H Flame Sensor
A flame sensor is a regulatory sensor that will reliable sense the exact flame while the system is starting. As with any other safety sensor, when the sensor is triggered by an event the whole HVAC system will remain stopped until the problem is fixed.
What are the signs that the primary flame sensor is about to go out?
- The main type of gas has difficulty trying to properly ignite and shut down
- Your heating system will not produce heat when the thermostat kicks in
- The furnace will run infrequently when it thinks it should
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