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International Comfort Products GPFM36K100F Limit Switch
A normal limit switch contains a sensor in the heating area that decides when the air is actually warm enough for the air to begin normal home circulation. Limit switches exist because if the warmed air is too cool then you will never get hot air through the ducts.
Indications main limit switch is in dire straights
- The whole system starts to stop suddenly frequently
- The HVAC system is unable to start or will not stay running like it is supposed to
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