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International Comfort Products T8MPV100J20B1 Limit Switch
The main reason limit switches are made is because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch has a sensor located in the furnace that determines when the heated air is actually warm enough for the air to begin normal home circulation.
What red flags are there that my main limit switch is almost dead?
- The HVAC system is beginning to become inconsistent frequently
- The HVAC system will not even start or will not stay running even though the desired temperature has not been attained
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