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Carrier 25HNA948A0030030 Limit Switch
The reason limit switches exist is because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. A normal limit switch is a type of sensor switch in the heat exchanger that senses, or governs, when the heated air is warm enough for the blower to be activated.
Major symptoms of an inadequate limit type switch
- The HVAC system will not initiate or run for any length of time
- The Carrier system is starting to behave erratically frequently
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If you are going to be buying or ordering any Carrier 25HNA948A0030030 part do your best and double check the correct model as well as make a visual inspection in order to be sure the right limit switch is the one being purchased. There is no rule that says you have to install the part by yourself. Hire someone with experience in your community to hire and install the part for you.
Feel free to download your manual for help.
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