NOTE: Use a 5/8" (16 mm) socket wrench or the Hunter Pressure Regulator Tool to unscrew the main body of the pressure regulator.
Rotate the top teal colored knob counterclockwise to reduce pressure from 60 to 120 PSI (4.1 to 8.3 bar; 410 to 830 kPa). Rotate the teal knob clockwise to increase pressure.
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