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Samsung AVMWC072CA0 Limit Switch
The limit switch is a switch in the air handler that decides if and when the air is warm enough so that it may be pushed through the ducts and out the vents. Limit switches were created due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts.
What warnings should I watch out for to know if my chief limit switch is dying?
- The HVAC system is starting to go through the startup sequence but stops quickly on more than one occasion
- The HVAC system will not begin or continue to run longer than a minute
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