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Johnson Controls P74BA-15 Differential Pressure Control
Manual Override: Features a temporary manual toggle for system testing or emergency bypass without disrupting the master schedule
eliminating the need for custom hardware
The discrete 10K thermistor features a rapid 19-second time constant for wall applications and 24 seconds for remote sensing
York S1-026-42589-000 Assembly 321702-401 Johnson Controls P74BA-15 Differential PressureThe York S1 026 42589 000 is an essential OEM blower housing assembly designed for precision airflow management in high static pressure environments. This technical package includes the heavy duty HVAC blower wheel, central shaft, and pre installed bearings within a rigid housing frame. For contractors handling field replacements, this complete assembly eliminates the labor intensive process of balancing individual components, ensuring the internal