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International Comfort Products H9MPD100J14C1 Limit Switch
Limit switches exist because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts. A normal limit switch is a switch in the heating area that determines if and when the air is warm enough for the blower to be activated.
Hints limit type switch should need replacing
- The heating and AC system will not begin the ignition sequence or continue to run like it is supposed to
- Your system is beginning to run erratically frequently
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