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International Comfort Products HHP424AKA1 Limit Switch
The limit switch contains a sensor located in the furnace that makes the determination 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 then the house will never get warm enough.
Major warnings limit switch will not last the year
- Your International Comfort Products system will not start nor will it stay running for any significant length if time
- Your system is starting to become unpredictable more often than not
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