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International Comfort Products GPFM60L100F Limit Switch
A normal limit switch is a switch located in the furnace that can determine when the air is actually warm enough for the air to begin normal home circulation. Limit switches are built because if the air never warms up the you will lose all the heat as the air flows through the ducts.
Key signs of a worsening limit type switch
- The heating and cooling system will not begin or will not stay running for any length of time
- Your system is beginning to act differently on a regular basis
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