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Carrier 58DLA045 Limit Switch
One big reason why limit switches are designed that way is due to the fact that if the air never warms up inside the exchanger the you will lose all the heat as the air flows through the ducts. A normal limit switch is a switch located in the furnace that determines if and when the air is warm enough for the blower to be activated.
Signs of a poorly working limit type switch
- The whole system is starting to runs uneven occasionally
- System will not start nor will it stay running like it ought to
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If you are going to be buying or ordering, do your due diligence and cross-check the model number and also make a visual comparison in order to be sure the proper replacement limit switch is being ordered. Safety is always important when replacing parts in an HVAC environment. If you are in doubt about anything call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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