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Whirlpool ATR0955BPP0 Limit Switch
A normal limit switch is a type of sensor switch located in the furnace that can determine when the air is actually warm enough to activate the main blower. The reason limit switches exist is because if the air never warms up the you will lose all the heat as the air flows through the ducts.
Subtle cues of an inadequate limit type switch
- The system is beginning to act differently on more than one occasion
- The heating and AC system will not initiate nor will it stay running for any length of time
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