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International Comfort Products EF20N2600A2 Flame Sensor
A flame sensor can only be found on furnaces that burn a gas. It is a safety sensor that will dependably sense the proper flame while the system is starting. As you would probably could have guessed, when the flame sensor gets triggered by something the gas valve is shut off and the system halts for as long as the problem remains.
Signals your flame sensor needs a replacement ASAP
- The main type of gas refuses to start an ignition sequence and closes the gas valve
- The heat system cannot produce heat no matter what
- System turns on occasionally barely
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