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Whirlpool ATR0743SPP0 Limit Switch
The limit switch is a type of sensor switch in the heat exchanger that senses, or governs, when the air is actually warm enough for the main blower to kick in and circulate the air. The main reason limit switches are made is because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts.
Major indications main limit switch needs replacing ASAP
- The HVAC system is beginning to runs spotty time after time
- The HVAC system refuses to start or will not stay running even though the desired temperature has not been attained
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If you decide on picking up or purchasing a replacement limit switch for your Whirlpool ATR0743SPP0, do your due diligence and double check the model number as well as make a visual inspection in order to be sure the right limit switch is being ordered. There is no need to replace the part all by yourself. Look for a professional in your town or city to replace the part.
Feel free to download your manual for help.
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