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Whirlpool ATE0752RPP0 Limit Switch
One big reason why limit switches are designed that way is because if the air is not warm enough then you will never get hot air through the ducts. The limit switch contains a sensor in the heating area that can determine when the heated air is actually warm enough to activate the main blower.
Major symptoms limit type switch has very little life left
- The HVAC system is starting to run erratically more than once
- System will not start nor will it stay running for any significant length if time
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