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International Comfort Products R2H318GKR100 Limit Switch
The limit switch contains a sensor in the air handler that can determine when the heated air is actually warm enough to activate the main blower. Limit switches exist because if the warmed air is too cool then you will never get hot air through the ducts.
Signals of an inadequate limit switch
- Your system is beginning to run inconsistently on a regular basis
- Your International Comfort Products system will not begin the ignition sequence nor will it stay running longer than a minute
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