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International Comfort Products H9MPD100J14C2 Limit Switch
The main reason limit switches are made is because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch contains a sensor located in the furnace that can determine when the heated air is warm enough so that it may be pushed through the ducts and out the vents.
How do you know when your limit switch most likely is about to go out?
- Your International Comfort Products system refuses to kick in or run well longer than a minute
- The HVAC system is starting to run inconsistently from time to time
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