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Carrier 40MFC018 Air Pressure Switch
The primary function of the switch is to determine whether or not the blower is running properly. The air pressure switch is part of the collection of safety devices in place to keep you safe and keep your family safe. Various air pressure switches have a manual reset feature, which means it would need to be reset or else the system will cease to function.
Warning Signs that the System Pressure Switch is Already Failing
- Your heating and cooling system refuses to operate.
- The correct indoor temperature seldom attained.
- Bad voltage range reading.
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