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Samsung UQB09JJWC Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that senses, or governs, if and when the air is warmed to a point to activate the main blower. Limit switches were created because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts.
Warnings of a laboring critical limit switch
- The heating and AC system will not initiate or will not stay running for any significant length if time
- The system is beginning to become unpredictable often
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