this Nordyne furnace pressure switch prevents the burner from igniting in the event of a blocked vent or inducer failure

OEM Compatibility: Exact dimensional match for York S1-02619654011 ensures no modifications are required during field installation

Universal Compatibility: Designed to work with standard ASC2 series solenoid coils

saucer-disk style switch ensures a drop-in replacement and maintains the original system performance ratings required for professional service and maintenance

Cleveland Controls AFS-298-391 Sensing Switch Els PW 17895 this Nordyne furnace pressure switchThe Cleveland Controls AFS 298 391 is a high performance air pressure sensing switch designed for precision in commercial HVAC and energy management systems. Engineered as a general purpose differential pressure switch, it monitors positive, negative, or vacuum air pressure with a field adjustable set point range from 0. 05" w. c. to 12. 0" w. c. This unit is factory calibrated to change contacts on increasing pressure at 0. 30" w. c. ( 0. 02" w. c.),