Vacuum Pump

Elevation
0 m (0 ft) (Sea Level) -70 kPa (minimum) (21 inch minimum)
1,524 m (5,000 ft) -60 kPa (minimum) (18 inch minimum)
3,048 m (10,000 ft) -49 kPa (minimum) (14 inch minimum)
4,572 m (15,000 ft) -40 kPa (minimum) (12 inch minimum)