Using the PRB, the regulator in the body will take incoming pressures of 55-100 PSI and reduce them down to 45 PSI. This provides the optimum nozzle pressure to deliver the correct size droplets to the landscape for maximum water efficiency. Please …

The easiest of the rotor pressure gauges to use, the  Rotor Pitot Gauge  (P/N 280100), has a tube placed directly in front of the primary nozzle stream for an accurate working pressure (dynamic) reading. This gauge will work on all Hunter rotor sprinklers …