International Comfort Products N9MPD100J14A2 Air Pressure Switch
The main function of an air pressure type switch is to determine whether the primary blower is running. This pressure switch is part of all the safety features in today's HVAC systems in place to keep you safe from potential hazards in the house. Some different switches are issued with a manual reset feature, by which you must manually reset it or the entire system will not run.
What to Look for when the HVAC Air Pressure Switch has Failed
- Incorrect voltage running through the pressure switch.
- The desired temp is hardly ever reached.
- Your furnace refuses operate at all.
Feel free to download your manual for help.