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International Comfort Products HPFM48K000A Air Pressure Switch
The job of an air pressure type switch is to see if the primary air circulator is running. This pressure switch is one of the key aspects of the whole safety system that is intended to keep you safe. Some different switches may have a manual reset, which means you have to physically reset it in order for the HVAC system to continue running.
How is it Known when the Switch is Starting to Go Bad
- The blower refuses to operate properly.
- Inaccurate electrical voltage running through the switch.
- The desired temperature is rarely attained.
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