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International Comfort Products HPFM30K000A Air Pressure Switch
The main function of the pressure switch is to sense if the primary air circulator is running properly. An air pressure switch is just one of many devices designed to stop injuries or explosions. Various air pressure switches are programmed with a manual reset, which, of course, means that it would have to be reset by hand before the HVAC system will continue.
Symptoms that your Air Pressure Switch is Starting to Fail
- Bad volt range being read from the pressure switch.
- Furnace is unable to ignite.
- The set temperature is never fully achieved.
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