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Frigidaire FRS09PYW10 Limit Switch
Limit switches were created because if the air never warms up the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a switch in the heat exchanger that determines when the heated air is warm enough for the air to begin normal home circulation.
What red flags are there that my limit type switch really needs to be replaced?
- Your Frigidaire system will not start or run longer than a minute
- The system begins to runs uneven repeatedly
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