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International Comfort Products PGAA30D1K1 Limit Switch
The limit switch contains a sensor in the heat exchanger that decides when the air is warm enough so that it may be pushed through the ducts and out the vents. This is important due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air.
Signals limit switch is in need of replacing
- The HVAC system begins to shut down unexpectedly more than once
- The heating and cooling system refuses to kick in or run well as it should
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If you are going to be buying or purchasing, do your due diligence and make sure of the correct model as well as make a visual comparison in order to be sure the correct limit switch is being ordered. Take safety precautions when installing or replacing an HVAC part. If you are unsure about the installation then you should call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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