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International Comfort Products CAC242AKA1 Limit Switch
Limit switches were created due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air. The limit switch has a sensor located in the furnace that senses, or governs, when the heated air is warm enough to activate the main blower.
What warnings should I watch out for to know if my critical limit switch is about to go out?
- The system begins to runs uneven often
- The HVAC system will not begin or continue to run longer than 10 minutes
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