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International Comfort Products N8MPL050B12A1 Limit Switch
Limit switches are built 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 heating area that determines if and when the air is actually warm enough for the blower to be activated.
Major clues critical limit switch will need replacing
- Your International Comfort Products system will not start nor will it stay running as it should
- The HVAC system is starting to ramp up but then stops more than once
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