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Friedrich VEA09K Air Pressure Switch
The actual job of the air pressure switch is to sense whether the main blower is circulating the air as it should. This is one of the key safety creations designed to stop injuries or explosions. Some particular air pressure switches are designed with a reset that is manual instead of automatic, which means you have to physically reset it or else the system will cease to function.
Precursors that the Switch will Soon Fail
- Your furnace won't operate.
- Inaccurate volt reading from the switch.
- The proper temp is hardly ever attained.
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