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International Comfort Products PYMC30G5 Limit Switch
A limit switch was crafted due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts. The limit switch contains a sensor in the heating area that senses, or governs, if and when the air is warmed to a point for the blower to be activated.
What to see if the main limit switch is crapping out?
- System will not even start or continue to run like it is supposed to
- Your system is beginning to runs spotty occasionally
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