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International Comfort Products TCH242AKA1 Air Pressure Switch
The reason for the existence of an air pressure type switch is to sense if the primary air circulator is running properly. Most air pressure switches are programmed with a manual reset, which means you have to physically reset it in order for the HVAC system to continue running. The air pressure switch is part of all the safety features in today's HVAC systems in place to keep you safe from harm.
How to Know when your Pressure Switch is Starting to Fail
- The expected indoor temperature is almost never achieved.
- Inaccurate volt range being read.
- Your furnace can not operate at all.
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