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Friedrich P12B Flame Sensor
A flame sensor is a vital part that can sense the acceptable flame during the initial ignition of the furnace. As with most safety features, when the flame sensor gets triggered by something the whole system stops until the problem is dealt with.
Indications of a barely functioning primary flame sensor
- The propane or natural gas will not even try to burn and the control shows an error
- The whole system runs on certain occasions whenever it pleases
- The gas furnace will not even start and completely shuts down
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Before you decide on buying or ordering a new Friedrich P12B replacement part do your best and make sure of the model number and also make a visual comparison so that you are positive that the proper replacement flame sensor is the one being purchased. There is no rule that says you have to replace the part all by yourself. Search for a pro in your town or city to do it for you.
Feel free to download your manual for help.
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