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Lennox HP40-048 Flame Sensor
A flame sensor is an important safety feature that will dependably sense the acceptable flame during ignition. As with most safety features, if the sensor get triggered the system will halt until the problem is fixed.
Some clues of a deteriorating furnace flame sensor
- Your furnace refuses to even start and produces an error code on the circuit board
- Any type of gas that has entered the furnace will not even try to start an ignition sequence and closes the gas valve
- The entire heating system starts on certain occasions when it wants to
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If you are going to be buying or ordering any Lennox HP40-048 part do your best and make sure of the correct model and also make a visual comparison in order to be sure the proper replacement flame sensor is the one being purchased. You do not need to install the replacement part alone. Hire a pro in your area to do it for you.
Feel free to download your manual for help.
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