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Desa R40 Air Pressure Switch
The main job of the pressure switch is to sense whether the blower is on and running. The majority of pressure switches may have a reset feature that is manual, by which you must manually reset it in order for the HVAC system to continue running. This pressure switch is a very critical piece of the safety system that is in place to keep you safe from harm.
Precursors that the Air Pressure Switch is Failing
- Inaccurate volt range running through the pressure switch.
- HVAC system refuses to function properly.
- The right indoor temperature is rarely attained.
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If you are going to be buying or ordering, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the right air pressure switch is being ordered. There is no rule that says you have to install the replacement part alone. Pay a professional in your area to do it for you.
Feel free to download your manual for help.
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