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Haier HPRD12XC5 Limit Switch
A normal limit switch contains a sensor in the heat exchanger that can determine when the heated air is warmed to a point for the blower to be activated. Limit switches are built because if the warmed air is too cool then the house will never get warm enough.
Major clues critical limit switch is going to die
- The whole system is beginning to initiate and then stops often
- System will not begin the ignition sequence or run well longer than 10 minutes
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