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Samsung AVMHC105EA0 Air Pressure Switch
The function of the switch is to determine whether or not the primary air circulator is on and running. Some pressure switches are constructed with a manual reset, which forces the system to be reset physically in order for the system to begin normal operations again. This is one of the key devices designed to keep you from harm.
What to Look for when the HVAC Air Pressure Switch is Starting to Go
- Inaccurate volt range reading from the switch.
- The furnace won't ignite the gas.
- The correct temp is almost never achieved.
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