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Lennox 13ACD-036 Air Pressure Switch
The reason for the existence of this type of switch is to sense whether the blower fan is on and running. This pressure switch is one of the key safety creations designed to keep your family safe and sound. Some pressure switches are issued with a manual reset feature, which forces the system to be reset physically or else the system will cease to function.
Symptoms that the Pressure Switch will go Bad
- HVAC system is unable to operate.
- Incorrect voltage range being read from the pressure switch.
- The correct temp is rarely attained.
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