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Samsung AM18B1C09 Limit Switch
A normal limit switch contains a sensor in the air handler that decides when the air is warmed to a point for the main blower to kick in and circulate the air. The main reason limit switches are made is because if the air never warms up then you will never get hot air through the ducts.
Major indications main limit switch has to be replaced
- The HVAC system is starting to behave differently on a regular basis
- The heating and cooling system will not start or run longer than 10 minutes
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Before you decide on buying or purchasing any Samsung AM18B1C09 replacement part, do your due diligence and make sure of the model number as well as make a visual comparison in order to be sure the correct limit switch is the one being purchased. Some pros could be quite expensive to hire so you may want to ask around to acquire the best rate if you do not want to pay too much.
Feel free to download your manual for help.
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