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International Comfort Products N9MP2050B12C1 Limit Switch
The limit switch is a type of sensor switch in the heating area that decides when the air is warm enough for the air to begin normal home circulation. One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Symptoms of a barely functioning limit switch
- The heating and cooling system refuses to start nor will it stay running for any significant length if time
- The HVAC system is beginning to stop suddenly more often than not
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