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International Comfort Products PGF036H100F Limit Switch
The limit switch contains a sensor in the heating area that determines when the air is actually warm enough for the blower to be activated. One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, the you will lose all the heat as the air flows through the ducts.
Some clues limit switch has little life left
- System will not initiate or run like it should
- The system starts to erratically on a regular basis
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Before you decide on buying or purchasing do your best and make sure of the model number and also make a visual comparison in order to be sure the right limit switch is being ordered. You do not need to install it yourself. Pay a professional in your town or city to do it for you.
Feel free to download your manual for help.
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