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International Comfort Products NBF075B12A1 Limit Switch
The limit switch contains a sensor in the heat exchanger that makes the determination when the air is warmed to a point for the main blower to kick in and circulate the air. Limit switches were created due to the fact that if the air inside the furnace is too cool then you will never get hot air through the ducts.
Clues main limit switch is in dire straights
- The heating and AC system will not initiate nor will it stay running as it should
- The whole system begins to runs spotty repeatedly
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If you decide on picking up or purchasing any International Comfort Products NBF075B12A1 replacement part do your best 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 the one being purchased. Replacing a new limit switch can be quite easy assuming you have the time and have the proper tools to get it done.
Feel free to download your manual for help.
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