or complete pneumatic actuator failure

While this is the primary BBD-8043-14 replacement

What is the difference between this and a standard SPST thermostat

Physical symptoms include the indoor blower running constantly while the burner remains off

" which leads to spark jumping and ignition failure

York S1-024-35716-000 Pressure Switch or complete pneumatic actuator failureAs a seasoned technician, you know that a mechanical failure in the draft sequence brings the entire call to a halt. The York S1 024 35716 000 Pressure Switch is a critical safety component designed specifically for York built furnaces and rooftop units. This OEM York replacement part features a Single Pole Normally Open (SPNO) configuration and is factory calibrated to 1. 7" WC (Water Column). Engineered for a close on fall operation, the internal