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International Comfort Products PA9536AKA1 Air Pressure Switch
The actual job of the air pressure switch is to determine whether or not the primary blower is actually running. This switch is just one of many safety creations designed to keep you from harm. Most air pressure switches have a manual reset feature, which means you have to physically reset it in order for the system to begin normal operations again.
Signs to Look for when the HVAC Air Pressure Switch has Failed
- The correct temp is hardly ever fully achieved.
- Bad electrical voltage reading from the switch.
- HVAC system is unable to function.
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