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Heat Controller SMA 12 Flame Sensor
The flame sensor is a device that senses the correct flame upon ignition. As with most safety features, if the sensor goes off the system remains completely shut down until the problem is repaired.
Clues the primary flame sensor has very little life left
- The unit runs rarely when it wants to
- The heating system will not begin working when you crank the thermostat up
- The gas entering the furnace will not burn and shuts off
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Before you decide on buying or ordering any Heat Controller SMA 12 part, do your due diligence and make sure of the correct model and also make a visual comparison in order to be sure the correct flame sensor is the one being purchased. Once you have the part to replace the part all by yourself. Locate a pro in your community to do the job for you.
Feel free to download your manual for help.
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