Delivers per hour: 240 U.S. gallons; 750 liters; 200 imperial gallons. Delivers water ranging from 5 ï¿½ to 60 ï¿½C (41ï¿½ to 140ï¿½F). Up to 650 watts of heating. Cooling from tap or external cooler. Large volume ensures minimum temperature gradient in baths. Large volume will supply up to 6 Harvard Universal Tissue Baths in series.