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Carrier 58MCB140 Limit Switch
The limit switch is a type of sensor switch in the heating area that makes the determination if and when the air is warmed to a point to activate the main blower. Limit switches were created because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Signs limit type switch will eventually need to be replaced
- The HVAC system begins to act weird more often than not
- The heating and AC system refuses to start nor will it stay running for any length of time
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If you are going to be buying or ordering any Carrier 58MCB140 replacement part, do your due diligence and make sure of the model number and also make a visual comparison so that you are positive that the proper replacement limit switch is being ordered. Replacing a new limit switch is a breeze assuming you possess the knowledge and have the proper tools to get it done.
Feel free to download your manual for help.
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