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Carrier 50ZP-048 Limit Switch
A normal limit switch is a type of sensor switch in the air handler that senses, or governs, if and when the air is actually warm enough for the air to begin normal home circulation. Limit switches were created 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.
What are some hints that my chief limit switch has a need to be replaced?
- The heating and cooling system will not initiate nor will it stay running longer that five minutes
- The whole system begins to stop suddenly from time to time
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