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Carrier FV4CNB005 Air Pressure Switch
The main job of an air pressure type switch is to see if the main blower is blowing air. A lot of switches have a manual reset feature, which forces the system to be reset physically or the whole HVAC system will not continue operation. This is just one of the many indispensable devices that are created to stop injuries or explosions.
How do you Know when your Pressure Switch has Gone Bad
- Inaccurate volt range reading from the switch.
- The furnace won't run.
- The set temp seldom achieved.
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If you are going to be buying or purchasing do your best and make sure of the correct model as well as make a visual comparison in order to be sure the right air pressure switch is the one being purchased. Some pros may charge higher prices than others so you may want to ask around to find a good deal if you want to pay bottom dollar.
Feel free to download your manual for help.
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