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International Comfort Products H8MPN075B12A1 Limit Switch
The reason limit switches exist is because if the warmed air is too cool then you will never get hot air through the ducts. A normal limit switch is a type of sensor switch located in the furnace that makes the determination if and when the air is actually warm enough for the air to begin normal home circulation.
Major symptoms limit switch will have to be replaced
- The heating and AC system refuses to start or continue to run like it is supposed to
- The whole system starts to ramp up but then stops often
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If you are going to be buying or ordering, do your due diligence and make sure of the model number and also make a visual inspection so that you are positive that the right limit switch is being ordered. Safety is always important when you install any HVAC part. When in doubt call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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