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Trane XR15 Limit Switch
Limit switches were created because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air. The limit switch has a sensor in the air handler that makes the determination when the air is actually warm enough for the air to begin normal home circulation.
What warnings are present when my limit switch most likely is about to go out?
- Your system is starting to shut down unexpectedly more often than not
- The HVAC system refuses to kick in or will not stay running even though max temp has not been reached
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