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Friedrich VEA12K Air Pressure Switch
The reason for the existence of the air pressure switch is to figure out if the main blower is actually running. This is one of the critical facets of the HVAC safety checks that are dedicated to stop injuries or explosions. The vast majority of pressure switches made today have a manual reset feature, which, of course, means that it would have to be reset by hand before you can continue using the system.
Indications of a Rapidly Declining Air Pressure Switch
- Incorrect volt range running through the switch.
- HVAC system refuses to function properly.
- The expected temperature indoors is almost never achieved.
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