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International Comfort Products NAC230AKA1 Air Pressure Switch
The actual job of the switch is to sense whether the main blower is on and running. This switch is one of the key devices designed to stop injuries or explosions. Most air pressure switches have a manual reset feature, which means it would need to be reset before the HVAC system will continue.
Common Indications of a Rapidly Declining Pressure Switch
- The set indoor temperature seldom fully attained.
- Incorrect electrical voltage running through the switch.
- Furnace can not operate.
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