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International Comfort Products PAF048K000A Limit Switch
Limit switches were created because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. The limit switch is a type of sensor switch in the heating area that senses, or governs, if and when the air is warm enough for the blower to be activated.
How can I tell if my chief limit switch is dying?
- The heating and AC system is unable to start or continue to run for any length of time
- Your system starts to become inconsistent occasionally
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