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Lennox CB30U-21 Flame Sensor
A flame sensor is a contraption that will sense the correct flame when the system starts. As expected, if the sensor goes off the whole HVAC system will remain stopped until that particular problem is fixed.
Major clues the Lennox flame sensor will not live much longer
- The whole system turns on sporadically when it thinks it should
- Your furnace cannot produce heat when you crank the thermostat up
- The propane or natural gas cannot begin igniting and some type of error flashes on the main board
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If you decide on picking up or ordering do your best and double check the correct model as well as make a visual inspection in order to be sure the correct replacement flame sensor is the one being purchased. Replacing the flame sensor can be quite easy if you possess the knowledge and have the proper tools to get it done.
Feel free to download your manual for help.
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