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Samsung AVMDH070EA0 Limit Switch
The main reason limit switches are made is because if the air never warms up then the house will never get warm enough. A normal limit switch is a switch located in the furnace that senses, or governs, when the heated air is actually warm enough for the blower to be activated.
Some warnings limit switch is in dire need of a replacement
- System will not begin or continue to run even though max temp has not been reached
- The whole system is beginning to go through the startup sequence but stops quickly from time to time
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