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Whirlpool ATR0945SPP0 Air Pressure Switch
The reason for the existence of the air pressure switch is to see if the blower is running properly. This pressure switch is a very critical piece of all the safety features in today's HVAC systems in place to keep you safe from harm. Various air pressure switches have a manual reset feature, by which you must manually reset it in order for the system to begin normal operations again.
Signals of a Nearly Failed Air Pressure Switch
- HVAC system refuses to operate properly.
- Wrong voltage range reading from the switch.
- The expected temperature in the house is almost never attained.
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