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International Comfort Products PGMD18G0406 Limit Switch
The reason limit switches exist 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. The limit switch has a sensor in the air handler that decides when the heated air is warm enough for the blower to be activated.
Simple warnings that your limit switch really needs to be replaced?
- Your system is starting to ramp up but then stops from time to time
- System refuses to start nor will it stay running as it should
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If you are going to be buying or purchasing any International Comfort Products PGMD18G0406 replacement part, do your due diligence and make sure of the model number and also make a visual inspection so that you are positive that the correct replacement limit switch is being ordered. There is no need to replace the part all by yourself. Pay a professional locally to do it for you.
Feel free to download your manual for help.
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