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International Comfort Products H8MPL100F20A1 Limit Switch
A normal limit switch contains a sensor located in the furnace that senses, or governs, if and when the air is warm enough so that it may be pushed through the ducts and out the vents. Limit switches are built because if the air never warms up the you will lose all the heat as the air flows through the ducts.
What warnings are present when my chief limit switch is failing?
- The HVAC system refuses to start or will not stay running like it should
- The HVAC system starts to behave erratically more often than not
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