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Whirlpool ATR0752SPP0 Limit Switch
The main reason limit switches are made is because if the air is too cool inside the furnace to begin with, then the house will never get warm enough. A normal limit switch contains a sensor located in the furnace that makes the determination when the air is actually warm enough so that it may be pushed through the ducts and out the vents.
Indications of an inadequate limit type switch
- The whole system begins to erratically from time to time
- The heating and cooling system is unable to start nor will it stay running longer than 10 minutes
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