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Carrier 45-4SI Flame Sensor
A flame sensor is only found on gas furnaces. It is a sensor that can sense the proper flame upon ignition. Due to the overall safety issue, when the flame sensor is activated the entire HVAC system will stop until the problem is dealt with.
Indications your flame sensor is going to die
- The furnace cannot produce any heat whatsoever
- The gas entering the furnace has a tough time trying to properly ignite and the main board displays on error code
- System starts infrequently only
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Before you decide on buying or ordering a replacement flame sensor for your Carrier 45-4SI, do your due diligence and make sure of the model number as well as make a visual comparison in order to be sure the right flame sensor is the one being purchased. HVAC professionals can be expensive so you may want to keep a lookout locally to acquire the best rate if you want to pay bottom dollar.
Feel free to download your manual for help.
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