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SPT WA-1240H Limit Switch
This is important due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts. A normal limit switch is a type of sensor switch in the heating area that determines when the air is actually warm enough for the blower to be activated.
Key signs of an ineffective limit switch
- System refuses to start or run well longer than 30 seconds
- The whole system is beginning to run inconsistently occasionally
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If you are going to be buying or ordering any SPT WA-1240H replacement part, do your due diligence and make sure of the model number as well as make a visual comparison so that you are positive that the right limit switch is the one being purchased. You do not need to replace the part all by yourself. Consult with a professional in your town or city to replace the part.
Feel free to download your manual for help.
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