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International Comfort Products PA5560AKA5 Air Pressure Switch
The actual job of the switch is to sense whether the blower is on and running. The air pressure switch is a vital device of the collection of safety devices in place to keep you safe from injury or explosions. Most air pressure switches are issued with a manual reset feature, by which you must manually reset it before the HVAC system will continue.
Signs to Look Out for when your Air Pressure Switch has Failed
- Incorrect volt range running through the switch.
- The desired temperature seldom reached.
- The furnace can't ignite.
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