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International Comfort Products HAC442AKA1 Air Pressure Switch
The reason for the existence of an air pressure type switch is to see if the blower is running. This switch is a very critical piece of all the safety features in today's HVAC systems in place to keep you safe from any injuries. Some different switches are issued with a manual reset feature, from which it would have to be reset manually in order for the HVAC system to continue running.
Signs that your Switch is Starting to Go Bad
- The furnace or AC refuses to run correctly.
- Incorrect volt reading from the switch.
- The desired temperature is hardly ever fully attained.
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