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Carrier 40QAC060 Air Pressure Switch
The primary function of the pressure switch is to see if the blower is circulating the air as it should. A lot of switches are designed with a reset that is manual instead of automatic, which means you have to physically reset it or the whole HVAC system will not continue operation. This pressure switch is one of many other device to keep you from harm.
Signs to Look for when your Pressure Switch is About to Fail
- Inaccurate voltage reading.
- The blower fan will not run correctly.
- The desired temperature is hardly ever attained.
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