Nordyne 632622R SPST Pressure Switch 1.20"WC

The Nordyne 632622R Pressure-Switch SPST 1.20"WC is used to check the airflow help to ensure safe and efficient operation in HVAC systems. Check the difference in air pressure and lets the control board start the burner only the airflow is right. This helps the system be diagnosed accurately and stops furnace from running when the airflow is unsafe. Benefits are better system performance and ignition, and better protection for furnace parts, resulting in smoother use and longer longevity.