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Mitsubishi MUZ-GE18NA Limit Switch
Limit switches are crucial because if the air never warms up the you will lose all the heat as the air flows through the ducts. The limit switch has a sensor in the heating area that senses, or governs, when the air is warm enough for the main blower to kick in and circulate the air.
Easy warnings limit switch will not last the year
- The system is starting to run erratically more than once
- The heating and AC system will not start or will not stay running longer than a minute
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