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Trane PTHD120 Air Pressure Switch
The function of the pressure switch is to figure out if the primary blower is running properly. This switch is a very critical piece of the collection of safety devices in place to keep you safe from potential hazards in the house. The vast majority of pressure switches made today may have a reset feature that is manual, which means it will have to be manually reset in order for the HVAC system to continue running.
Signs to Look Out for when your Air Pressure Switch is Beginning to Go Bad
- Bad electrical voltage reading.
- The correct temperature in the house is almost never fully achieved.
- The blower fan is unable to function properly.
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