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Whirlpool ATR0743BPP0 Air Pressure Switch
The primary function of the switch is to determine whether or not the primary blower is blowing air. This pressure switch is one of the critical safety creations designed to keep you safe. Some particular air pressure switches may have a manual reset, which, of course, means that it would have to be reset by hand before the entire HVAC system will continue operating again.
Common Indications of a Broken Pressure Switch
- Furnace is unable to operate at all.
- Inaccurate electrical voltage reading.
- The expected indoor temperature is never fully attained.
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If you decide on picking up or purchasing do your best and double check the model number as well as make a visual comparison so that you are positive that the correct replacement air pressure switch is the one being purchased. Installation of the air pressure switch is a breeze provided you know what you are doing and have the tools to get it done.
Feel free to download your manual for help.
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