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Lennox CB28UH-048 Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that makes the determination when the heated air is actually warm enough to activate the main blower. Limit switches were created because if the warmed air is too cool then the house will never get warm enough.
Clues limit type switch will need replacing
- The system begins to runs uneven repeatedly
- System refuses to start or run for any length of time
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If you decide on picking up or purchasing, do your due diligence and make sure of the correct model as well as make a visual comparison in order to be sure the correct replacement limit switch is the one being purchased. Installation of a new limit switch is not difficult provided you energy and have the proper tools to do it right.
Feel free to download your manual for help.
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