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International Comfort Products H9MPT100J16A1 Limit Switch
One big reason why limit switches are designed that way is because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch contains a sensor in the heat exchanger that makes the determination if and when the air is warm enough for the blower to be activated.
Warnings main limit switch needs replacing ASAP
- The system starts to shut down unexpectedly more than once
- The HVAC system will not start nor will it stay running like it should
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Before you decide on buying or ordering do your best and double check the model number as well as make a visual comparison in order to be sure the correct replacement limit switch is the one being purchased. There is no rule that says you have to install the replacement part alone. Pay a professional in your community to do it for you.
Feel free to download your manual for help.
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