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Goodman P1256804F Limit Switch
This is important due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough. A normal limit switch is a type of sensor switch in the heating area that makes the determination if and when the air is actually warm enough to activate the main blower.
Some clues critical limit switch is failing
- The HVAC system refuses to kick in or continue to run longer than a minute
- The whole system begins to go through the startup sequence but stops quickly more often than not
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