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Lennox G40UH-60C-110X Air Pressure Switch
The reason for the existence of an air pressure type switch is to determine whether or not the blower fan is doing what it is supposed to do. The vast majority of pressure switches made today are issued with a manual reset feature, from which the switch will have to be manually reset before the entire HVAC system will continue operating again. This pressure switch is one of the vitally important safety mechanisms designed to keep you safe.
Important Signs that the HVAC Air Pressure Switch is Needing to be Replaced
- HVAC system will not function properly.
- Wrong voltage being read from the pressure switch.
- The desired temperature is never attained.
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