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International Comfort Products HAC430AKA1 Air Pressure Switch
The function of this type of switch is to sense whether the main blower is actually running. A good number of pressure switches today may have a reset feature that is manual, by which you must manually reset it before the HVAC system will continue. This switch is part of the collection of safety devices in place to keep you safe from injury or explosions.
How to Know when your Air Pressure Switch is About to go Bad
- The proper indoor temperature is rarely achieved.
- The furnace refuses operate.
- Bad electrical voltage running through the switch.
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