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Carrier 38H Air Pressure Switch
The reason for the existence of the switch is to determine whether the air blower is running properly. This switch is one of many other devices designed to stop injuries or explosions. Some different switches are constructed with a manual reset, from which it would have to be reset manually before the system will continue its normal operation.
How do you Know when the System Pressure Switch is on its Last Leg
- The furnace can not ignite the gas.
- The proper temp is rarely achieved.
- Inaccurate volt being read.
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