What is the gallons per hour capacity of the pump?
Model M1 (no hoses needed) approximately 300 gallons per hour. Model 02 (1-1/4″ hose) approximately 500 gallons per hour. Model 12 (1-1/4″ hose) approximately 700 gallons per hour. Model 12R (1-1/4″ hose) approximately 1,000 gallons per hour. Model 51 (1-1/2″ hose) approximately 2,000 gallons per hour. Model 108R (1-1/4″ hose) approximately 1,000 gallons per hour (discontinued). Model 520 (1-1/2″ hose) approximately 2,000 gallons per hour. Model 520R (1-1/2″ hose) approximately 3,000 gallons per hour.