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Friedrich VHA18K Air Pressure Switch
The primary function of this type of switch is to sense whether the primary air circulator is blowing air. The air pressure switch is an important part of all the safety features in today's HVAC systems that is in place to keep you safe from any injuries. Some pressure switches may have a manual reset, by which you must manually reset it or the whole HVAC system will not continue operation.
Precursors that the Air Pressure Switch will go Bad
- Incorrect volt range being read.
- The furnace or AC can not function.
- The expected temperature indoors is rarely fully achieved.
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If you are going to be buying or ordering a new Friedrich VHA18K replacement part do your best and double check the correct model and also make a visual comparison in order to be sure the correct replacement air pressure switch is being ordered. The installing of a new air pressure switch can be quite easy provided you have the know-how and have the tools to get it done.
Feel free to download your manual for help.
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