Balboa Water Group 4234211-S Theramax Pump 2.5HP 230V 2 Speed. Jacuzzi replacement pump by Balboa Water Group. All seals are carbon ceramic with Viton® elastomers for long-lasting performance, easily enduring prolonged heat and chemical exposure. Unique design impeller provides higher efficiency flow with a smaller horsepower motor than other pumps in the same class; high flow rates can exceed 210 gallons per minute.