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International Comfort Products PGMD Limit Switch
A normal limit switch is a switch in the heating area that decides when the air is warm enough for the main blower to kick in and circulate the air. The main reason limit switches are made is due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air.
Key signs of an ineffective main limit switch
- The International Comfort Products system begins to shut down unexpectedly frequently
- System will not even start or continue to run like it is supposed to
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