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International Comfort Products HAC218AKA1 Limit Switch
The limit switch is a switch located in the furnace that determines when the air is actually warm enough to activate the main blower. This is important because if the warmed air is too cool the you will lose all the heat as the air flows through the ducts.
What are the indications that my limit switch most likely is about to go out?
- The HVAC system begins to shut down unexpectedly more often than not
- System will not even start nor will it stay running even though the desired temperature has not been attained
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