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Samsung AVMDC052CA0 Limit Switch
The limit switch is a switch in the heat exchanger that can determine when the air is actually warm enough for the main blower to kick in and circulate the air. One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
How do you know when your chief limit switch has a need to be replaced?
- The system is starting to act weird on more than one occasion
- The heating and AC system will not begin the ignition sequence or continue to run like it ought to
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