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Haier HR36D2VAR Limit Switch
Limit switches were created because if the air is too cool inside the furnace to begin with, 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 heating area that decides when the air is actually warm enough for the blower to be activated.
Simple indications of a poorly performing limit switch
- The Haier system begins to become inconsistent on more than one occasion
- System will not begin the ignition sequence or run well like it ought to
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