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Carrier 58STA090 Limit Switch
The reason limit switches exist is because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a type of sensor switch located in the furnace that can determine when the air is actually warm enough for the main blower to kick in and circulate the air.
Subtle cues of a failing critical limit switch
- The HVAC system is beginning to act differently repeatedly
- The HVAC system will not initiate or will not stay running longer than 10 minutes
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Before you decide on buying or ordering any Carrier 58STA090 part do your best and cross-check the model number and also make a visual comparison in order to be sure the correct limit switch is the one being purchased. Once you have the part to install it yourself. Find a professional in your area to pay to install it for you.
Feel free to download your manual for help.
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