{"product_id":"john-tech-4sd3-21-4-submersible-borehole-pump-1-5-kw-32mm-outlet","title":"John Tech 4SD3\/21 4″ Submersible Borehole Pump – 1.5 kW, 32mm Outlet","description":"\u003cp\u003e\u003cstrong\u003eJohn Tech 4SD3\/21\u003c\/strong\u003e 4-inch submersible borehole pump, listed in the TESK South Africa August 2026 catalogue.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRated motor power: 1.5 kW\u003c\/li\u003e\n\u003cli\u003eSupplier-listed horsepower: 2 HP\u003c\/li\u003e\n\u003cli\u003eDischarge outlet: 32mm\u003c\/li\u003e\n\u003cli\u003eHydraulic family: 4SD3\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eJohn 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSelection note:\u003c\/strong\u003e 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.\u003c\/p\u003e","brand":"John Tech Pumps","offers":[{"title":"Default Title","offer_id":45531245707333,"sku":"JOHNTECH-4SD3-21","price":2840.5,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/8627\/7445\/files\/johntech-4sd-submersible-pumps_ba81dcfa-7847-4968-a8d7-64bda12a55cd.jpg?v=1786452926","url":"https:\/\/www.monstermechanical.co.za\/products\/john-tech-4sd3-21-4-submersible-borehole-pump-1-5-kw-32mm-outlet","provider":"Monster Mechanical","version":"1.0","type":"link"}