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Royal Sovereign ARP-9411 Limit Switch
A normal limit switch contains a sensor in the heating area that makes the determination if and when the air is warmed to a point for the blower to be activated. One big reason why limit switches are designed that way is due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Major clues main limit switch will have to be replaced
- The whole system starts to erratically frequently
- The HVAC system will not begin the ignition sequence or run like it should
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Before buying or purchasing a new Royal Sovereign ARP-9411 replacement part do your best and cross-check the correct model and also make a visual comparison in order to be sure the proper replacement limit switch is the one being purchased. You do not have to install the part by yourself. Search for a pro in your area to do the job for you.
Feel free to download your manual for help.
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