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Haier HPN12XHM Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that senses, or governs, when the heated air is warmed to a point that it can be circulated throughout the house. Limit switches exist due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts.
Major warnings of a poorly working limit type switch
- The whole system is starting to erratically from time to time
- The heating and AC system refuses to start or will not stay running for any significant length if time
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If you are going to be buying or purchasing any Haier HPN12XHM part, do your due diligence and double check the model number and also make a visual inspection in order to be sure the proper replacement limit switch is being ordered. You do not need to install it yourself. Find a professional in your community to pay to install it for you.
Feel free to download your manual for help.
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