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SPT WA-9061H Limit Switch
One big reason why limit switches are designed that way is due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts. A normal limit switch is a type of sensor switch located in the furnace that senses, or governs, when the air is warmed to a point to activate the main blower.
Warnings limit type switch is not going to last much longer
- The HVAC system is starting to initiate and then stops from time to time
- System refuses to start or run longer than 30 seconds
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Before buying or ordering any SPT WA-9061H replacement part, do your due diligence and cross-check the model number as well as make a visual comparison in order to be sure the correct limit switch is the one being purchased. You do not have to install it yourself. Consult with a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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