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DeLonghi PAC 400 Limit Switch
The limit switch has a sensor located in the furnace that determines when the air is warm enough that it can be circulated throughout the house. Limit switches were created because if the air never warms up then the house will never get warm enough.
Subtle hints limit type switch should be replaced
- The HVAC system will not even start nor will it stay running even though max temp has not been reached
- The system starts to initiate and then stops on more than one occasion
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Before you decide on buying or ordering a new DeLonghi PAC 400 replacement part do your best and double check the model number as well as make a visual comparison in order to be sure the correct limit switch is the one being purchased. Replacing a new limit switch is a piece of cake assuming you have the time and have the tools to get it done.
Feel free to download your manual for help.
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