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International Comfort Products HHP036GKA1 Limit Switch
Limit switches were created because if the air is not warm enough then you will never get hot air through the ducts. The limit switch has a sensor in the air handler that senses, or governs, when the air is actually warm enough for the main blower to kick in and circulate the air.
Chief elements of an unhealthy limit type switch
- The heating and cooling system will not start or continue to run longer than 10 minutes
- The HVAC system starts to behave differently occasionally
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