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Carrier 38TXA042 Limit Switch
Limit switches are crucial due to the fact that if the air inside the furnace is too cool the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch contains a sensor located in the furnace that senses, or governs, when the heated air is actually warm enough for the blower to be activated.
Symptoms of a declining critical limit switch
- System will not even start or run well even though the desired temperature has not been attained
- The whole system is beginning to go through the startup sequence but stops quickly more than once
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Before buying or ordering any Carrier 38TXA042 part do your best and make sure of the correct model as well as make a visual inspection in order to be sure the correct replacement limit switch is being ordered. There is no rule that says you have to install the replacement part alone. Hire a pro in your area to replace the part.
Feel free to download your manual for help.
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