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International Comfort Products NAC036GKA1 Limit Switch
Limit switches exist because if the air never warms up then the house will never get warm enough. The limit switch is a switch in the heat exchanger that senses, or governs, if and when the air is warmed to a point for the air to begin normal home circulation.
Major clues limit switch will die soon
- The whole system is starting to act weird on more than one occasion
- The heating and cooling system will not begin the ignition sequence or will not stay running as it should
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