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International Comfort Products HPFM Limit Switch
Limit switches exist because if the warmed air is too cool then the house will never get warm enough. A normal limit switch has a sensor located in the furnace that makes the determination when the heated air is warmed to a point for the blower to be activated.
What to see if the chief limit switch is crapping out?
- The HVAC system is starting to runs uneven frequently
- The HVAC system will not begin the ignition sequence or continue to run as it should
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