Water Test with Lazy Hand 0-300The Water Test Pressure Gauge with Lazy Hand (0 300 PSI, 3 4" GHT) is a high accuracy diagnostic tool designed for monitoring peak water pressure in plumbing, irrigation, hydrants, and well systems. The lazy hand (maximum pressure indicator) records the highest pressure reached, allowing for easy pressure surge analysis. Its large, easy to read dial and standard 3 4" Female Garden Hose Thread (GHT) ensure quick, secure attachment to hoses and