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Carrier 38YXA024 Limit Switch
The limit switch is a switch in the air handler that can determine if and when the air is warmed to a point that it can be circulated throughout the house. Limit switches are crucial because if the warmed air is too cool the you will lose heat in the ducts and the vents will just blow cool air.
Major signs limit switch will have to be replaced
- The HVAC system is beginning to run inconsistently frequently
- The heating and AC system will not begin nor will it stay running as it should
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