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Whirlpool ATE1255SPP0 Limit Switch
The limit switch is a switch in the heat exchanger that makes the determination if and when the air is warmed to a point to activate the main blower. Limit switches were created because if the air is too cool inside the furnace to begin with, then the house will never get warm enough.
Subtle hints limit type switch is going out
- The heating and AC system will not start or run longer than 30 seconds
- The system is beginning to become inconsistent on a regular basis
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