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International Comfort Products T9MPD050F12C1 Limit Switch
The main reason limit switches are made is because if the air never warms up then you will never get hot air through the ducts. A normal limit switch is a switch located in the furnace that decides when the air is warmed to a point for the air to begin normal home circulation.
Red flags limit type switch should need replacing
- The International Comfort Products system is beginning to run inconsistently time after time
- The heating and AC system refuses to kick in or run well longer than 30 seconds
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