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International Comfort Products H8MPV050B12C1 Limit Switch
Limit switches are crucial because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a type of sensor switch in the heat exchanger that makes the determination if and when the air is actually warm enough for the blower to be activated.
Clues to watch for to know critical limit switch needs replacing ASAP
- System will not even start or will not stay running for any length of time
- The HVAC system is beginning to erratically repeatedly
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