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Carrier PB Air Pressure Switch
The job of this type of switch is to determine whether or not the blower fan is blowing air. An air pressure switch is one of the key devices designed to keep everyone in the house safe. Some different switches may have a manual reset, which means it would need to be reset in order for the HVAC system to continue running.
Signals that the System Pressure Switch is Beginning to Go Bad
- The expected indoor temperature seldom attained.
- Bad volt running through the switch.
- Furnace refuses run.
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If you are going to be buying or purchasing a new Carrier PB replacement part do your best and make sure of the model number as well as make a visual inspection so that you are positive that the correct replacement air pressure switch is the one being purchased. If you are not sure about installing the new air pressure switch on your own then it is probably best to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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