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International Comfort Products NDN5100BHA1 Air Pressure Switch
The main function of the air pressure switch is to determine whether the primary air circulator is actually running. A lot of switches can have a manual reset, which, of course, means that it would have to be reset by hand or else the system will cease to function. This is one of the vitally important safety facets of the HVAC safety checks that are dedicated to keep you from harm.
What to Look Out for when the System Pressure Switch is on its Last Leg
- The furnace won't run.
- The correct indoor temperature is rarely reached.
- Wrong electrical voltage reading from the switch.
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