{"product_id":"dankoff-solar-force-piston-pump","title":"Dankoff Solar Force Piston Pump","description":"\u003cp\u003e\u003cspan\u003eThe Dankoff Solar Force Piston Pump is the most efficient pump in the Dankoff lineup, engineered for long‑distance water delivery directly from a PV array — even in low‑light conditions. According to the manufacturer, it delivers \u003cstrong\u003e“up to 75% better efficiency over centrifugal or AC pumps”\u003c\/strong\u003e and is specifically designed for regions with variable sunlight .\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuilt for extreme reliability, the Solar Force uses a rugged mechanical piston design with wear parts that typically last \u003cstrong\u003e5–10 years\u003c\/strong\u003e, and an overall life expectancy of \u003cstrong\u003e15–20 years\u003c\/strong\u003e before rebuild . It is dirt‑tolerant, dry‑run tolerant, and simple to maintain with common tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis pump is ideal for homesteads, off‑grid homes, livestock systems, irrigation, and long‑distance water transfer where efficiency and durability matter most.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUltra‑efficient piston pump — up to \u003cstrong\u003e75% more efficient\u003c\/strong\u003e than centrifugal or AC pumps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRuns directly from a PV array in low‑light conditions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDirt‑tolerant and dry‑run tolerant\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWear parts last \u003cstrong\u003e5–10 years\u003c\/strong\u003e; pump life \u003cstrong\u003e15–20 years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAC version uses a low‑surge permanent magnet motor to reduce inverter and wire size requirements\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMechanical drive allows \u003cstrong\u003eengine or hand‑lever backup\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIncludes illustrated installation \u0026amp; service manual\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSurge tank included (not shown in photo)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLong‑distance water transfer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOff‑grid homesteads\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLivestock watering\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIrrigation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePressurized household systems (with battery + pressure tank)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSolar‑direct pumping systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eFrom the spec sheet:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCast iron body\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBrass cylinder \u0026amp; valve seats\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLeather cup piston seals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeoprene valve seals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOil‑bath crankcase\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGear (timing) belt drive on PV models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard V‑belt on battery (B) models\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePermanent magnet DC motor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePressure relief valve included\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSurge tank included\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuction Capacity\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eUp to \u003cstrong\u003e25 ft vertical lift\u003c\/strong\u003e at sea level\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSubtract \u003cstrong\u003e1 ft per 1,000 ft elevation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntake piping:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e1\" minimum\u003c\/strong\u003e for 3010 \u0026amp; 3020\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e1¼\" minimum\u003c\/strong\u003e for 3040\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBest reliability when pump is close to the water source\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFittings\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eIntake:\u003c\/strong\u003e 1¼\" FPT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOutlet:\u003c\/strong\u003e 1\" FPT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003ePower System Requirements\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePV‑direct systems require a PV array sized \u003cstrong\u003e20% above pump wattage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eA \u003cstrong\u003elinear current booster\u003c\/strong\u003e (pump controller) is required for solar‑direct operation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSolar tracker optional (increases daily yield \u003cstrong\u003e40–55% in summer\u003c\/strong\u003e)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePressurized systems require:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBattery power\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePressure switch\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMinimum 60‑gallon pressure tank\u003c\/strong\u003e (captive‑air)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003eDimensions \u0026amp; Weight\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e22\" × 13\" × 16\"\u003c\/strong\u003e (pump only)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e26\" total height\u003c\/strong\u003e with surge tank\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMax weight: 80 lbs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eShips in \u003cstrong\u003e2–3 boxes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Voltages\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e12V, 24V, 48V DC\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e115V or 230V AC\u003c\/strong\u003e (50–60 Hz)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul role=\"list\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003e2‑year manufacturer warranty\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPP Solar","offers":[{"title":"3010-12","offer_id":46609825595553,"sku":null,"price":3379.0,"currency_code":"USD","in_stock":true},{"title":"3010‑24","offer_id":46609825628321,"sku":null,"price":3379.0,"currency_code":"USD","in_stock":true},{"title":"3010‑48","offer_id":46609825661089,"sku":null,"price":3379.0,"currency_code":"USD","in_stock":true},{"title":"3020‑12","offer_id":46609825759393,"sku":null,"price":3379.0,"currency_code":"USD","in_stock":true},{"title":"3020‑24","offer_id":46609825792161,"sku":null,"price":3209.0,"currency_code":"USD","in_stock":true},{"title":"3020‑48","offer_id":46609825824929,"sku":null,"price":3349.0,"currency_code":"USD","in_stock":true},{"title":"3020‑115","offer_id":46609825857697,"sku":null,"price":3249.0,"currency_code":"USD","in_stock":true},{"title":"3040-12","offer_id":46609825890465,"sku":null,"price":3409.0,"currency_code":"USD","in_stock":true},{"title":"3040-24","offer_id":46609825923233,"sku":null,"price":3349.0,"currency_code":"USD","in_stock":true},{"title":"3040-48","offer_id":46609825956001,"sku":null,"price":3549.0,"currency_code":"USD","in_stock":true},{"title":"3040-115","offer_id":46609825988769,"sku":null,"price":3349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5065\/7953\/files\/DankoffSolarForcePistonPump.png?v=1782335140","url":"https:\/\/milesoffgrid.com\/products\/dankoff-solar-force-piston-pump","provider":"Miles Off Grid","version":"1.0","type":"link"}