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Carrier FF1DNA018005AAAA Limit Switch
A normal limit switch has a sensor in the air handler that decides if and when the air is warmed to a point for the main blower to kick in and circulate the air. This is important because if the warmed air is too cool then the house will never get warm enough.
What are some hints that my limit type switch really needs replacing?
- The HVAC system begins to become unpredictable occasionally
- The heating and AC system will not even start or will not stay running longer that five minutes
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If you decide on picking up or ordering any Carrier FF1DNA018005AAAA replacement part, do your due diligence and make sure of the correct model and also make a visual inspection in order to be sure the right limit switch is the one being purchased. Replacing the limit switch is not difficult if you energy and have the tools to get it done.
Feel free to download your manual for help.
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