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International Comfort Products PGMD18G0405 Limit Switch
A normal limit switch contains a sensor in the heating area that makes the determination if and when the air is actually warm enough that it can be circulated throughout the house. This is important because if the air is not warm enough then you will never get hot air through the ducts.
Some warnings of an unhealthy critical limit switch
- System will not initiate or will not stay running for any length of time
- The HVAC system is beginning to run erratically on more than one occasion
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Before buying or purchasing a new International Comfort Products PGMD18G0405 replacement part do your best and double check the model number as well as make a visual comparison so that you are positive that the correct limit switch is being ordered. You do not have to replace the part all by yourself. Find a professional locally to replace the part.
Feel free to download your manual for help.
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