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International Comfort Products PHF Limit Switch
Limit switches exist because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch has a sensor in the air handler that determines if and when the air is warm enough so that it may be pushed through the ducts and out the vents.
Red flags critical limit switch is in dire straights
- The International Comfort Products system starts to go through the startup sequence but stops quickly on more than one occasion
- Your International Comfort Products system will not begin the ignition sequence or will not stay running longer that five minutes
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If you are going to be buying or purchasing any International Comfort Products PHF replacement part do your best and cross-check the model number as well as make a visual comparison in order to be sure the right limit switch is being ordered. You do not need to replace the part all by yourself. Hire someone with experience locally to do the job for you.
Feel free to download your manual for help.
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