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International Comfort Products PGS060S140E Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that determines when the air is actually warm enough to activate the main blower. Limit switches are built because if the air is not warm enough then the house will never get warm enough.
Warnings of a poorly performing critical limit switch
- The whole system starts to act differently on more than one occasion
- System is unable to start or run well like it ought to
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