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International Comfort Products H8MPN075B12B1 Limit Switch
The main reason limit switches are made is because if the air never warms up then you will never get hot air through the ducts. The limit switch is a switch in the air handler that determines when the air is warm enough for the blower to be activated.
General indicators that your limit type switch needs to be replaced
- The HVAC system will not even start or run well even though the desired temperature has not been attained
- The HVAC system begins to behave differently on a regular basis
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If you are going to be buying or ordering, do your due diligence and make sure of the model number as well as make a visual inspection so that you are positive that the proper replacement limit switch is being ordered. Use a great deal of caution when installing or replacing an HVAC part. If you are in doubt about anything call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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