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International Comfort Products NAC024GKA1 Limit Switch
Limit switches are crucial because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch contains a sensor in the heat exchanger that can determine when the heated air is warm enough for the main blower to kick in and circulate the air.
What are some hints that my limit switch is in need of replacing?
- The HVAC system will not begin the ignition sequence or will not stay running longer than 10 minutes
- The whole system begins to become unpredictable on a regular basis
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