John Tech 4SD10/7 4″ Submersible Borehole Pump – 1.1 kW, 50mm Outlet

John Tech 4SD10/7 4-inch submersible borehole pump, listed in the TESK South Africa August 2026 catalogue.

• Rated motor power: 1.1 kW
• Supplier-listed horsepower: 1.5 HP
• Discharge outlet: 50mm
• Hydraulic family: 4SD10

John Tech 100 mm pump literature describes the range as a floating-impeller design with an integrated non-return valve for resistance to sand/impurities and protection against water-column backflow. Published operating guidance for the 100 mm John Tech pack range includes clean-water service, sand content below 150 g/m³, submersion up to 100 m and liquid temperature up to 40 °C.

Selection note: Exact flow/head performance is not stated in the TESK price list. Confirm the exact hydraulic curve for this model before selecting it for a duty point.