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International Comfort Products N9MP2100J20A2 Limit Switch
The main reason limit switches are made is because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a switch located in the furnace that makes the determination when the air is warmed to a point to activate the main blower.
What are some hints that my main limit switch is crapping out?
- The heating and AC system will not even start or continue to run as it should
- Your system is starting to behave differently often
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