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Carrier 50XT-A60 Limit Switch
Limit switches exist due to the fact that if the air inside the furnace is too cool the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a type of sensor switch located in the furnace that makes the determination when the air is actually warm enough for the air to begin normal home circulation.
Important signs limit switch is going out
- The system is beginning to act weird repeatedly
- The HVAC system refuses to kick in nor will it stay running longer than 30 seconds
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