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International Comfort Products PGMD36H090A Limit Switch
A limit switch was crafted because if the air is not warm enough then the house will never get warm enough. A normal limit switch is a switch in the air handler that decides when the heated air is warmed to a point so that it may be pushed through the ducts and out the vents.
Easy warnings to watch for in a failing main limit switch
- The HVAC system is starting to go through the startup sequence but stops quickly more than once
- The heating and cooling system will not even start or run longer than a minute
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