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HOME > HVAC > TRANE > PTHD120 > FLAME SENSOR

Trane PTHD120 Flame Sensor

The flame sensor is one that can reliably detect the flame upon ignition. Because of the safety issues involved, when the sensor is triggered by an event the whole system stops for as long as it takes to remedy the problem.

Major signs your furnace flame sensor needs replacing

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Check eBay to see if your flame sensor is in stock!
Before buying or purchasing any Trane PTHD120 part, do your due diligence and double check the model number as well as make a visual comparison so that you are positive that the proper replacement flame sensor is being ordered. You do not have to install the part by yourself. Pay a professional locally to do it for you.
Feel free to download your manual for help.
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Check eBay for your flame sensor!