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Frigidaire FRP15ETT2A0 Limit Switch
A normal limit switch has a sensor in the heating area that can determine when the air is actually warm enough for the blower to be activated. One big reason why limit switches are designed that way is because if the air is too cool inside the furnace to begin with, the you will lose heat in the ducts and the vents will just blow cool air.
How do you know when your main limit switch is not working properly?
- The HVAC system is beginning to behave erratically occasionally
- The heating and AC system will not begin or continue to run like it ought to
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