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International Comfort Products PGF042K100A Limit Switch
This is important 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. A normal limit switch has a sensor in the air handler that makes the determination when the heated air is actually warm enough so that it may be pushed through the ducts and out the vents.
How do you know when your chief limit switch is almost dead?
- The HVAC system starts to become unpredictable on a regular basis
- The heating and cooling system will not begin the ignition sequence or run well longer than 30 seconds
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Before you decide on buying or ordering any International Comfort Products PGF042K100A part, do your due diligence and cross-check the model number as well as make a visual comparison in order to be sure the correct replacement limit switch is being ordered. The installing of a new limit switch is not difficult if you know what you are doing and have the tools to do it right.
Feel free to download your manual for help.
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