{"product_id":"sunrotor-srdi-36-deep-well-helical-rotor-solar-pump","title":"SunRotor SRDI-36 Deep-Well AC\/DC Solar Pump - Helical Rotor","description":"\u003cp data-end=\"800\" data-start=\"73\"\u003eBuilt for extreme lift applications, the SRDI-36 is SunRotor’s deep-well, positive-displacement submersible that reaches water others can’t.\u003cbr data-end=\"216\" data-start=\"213\"\u003eIts helical-rotor (progressive-cavity) design generates high pressure at low RPM, giving early-morning starts, late-day run time, and steady flow as head increases—ideal for remote homesteads, ranch tanks, and wildlife water points where uptime matters.\u003c\/p\u003e \u003cp data-end=\"800\" data-start=\"73\"\u003e\u003cbr data-end=\"472\" data-start=\"469\"\u003eAn \u003cstrong data-end=\"521\" data-start=\"475\"\u003eintegrated controller inside the pump body\u003c\/strong\u003e accepts wide-range DC or single-phase AC, reducing wiring complexity and maximizing conversion efficiency. Stainless construction, a 4-inch-casing fit, and field-serviceable internals make it a durable, long-life choice for very deep wells. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003ch2 data-end=\"822\" data-start=\"802\"\u003eProduct Details\u003c\/h2\u003e \u003cul data-end=\"1747\" data-start=\"823\"\u003e \u003cli data-end=\"984\" data-start=\"823\"\u003e \u003cp data-end=\"984\" data-start=\"825\"\u003e\u003cstrong data-end=\"854\" data-start=\"825\"\u003eDeepest lift in the line:\u003c\/strong\u003e Delivers about \u003cstrong data-end=\"898\" data-start=\"870\"\u003e3 GPM down to 900 ft TDH\u003c\/strong\u003e with proper arraying—built for serious depth. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1144\" data-start=\"985\"\u003e \u003cp data-end=\"1144\" data-start=\"987\"\u003e\u003cstrong data-end=\"1009\" data-start=\"987\"\u003eDual-source power:\u003c\/strong\u003e Runs from \u003cstrong data-end=\"1034\" data-start=\"1020\"\u003e60–370 VDC\u003c\/strong\u003e PV input or \u003cstrong data-end=\"1066\" data-start=\"1047\"\u003esingle-phase AC\u003c\/strong\u003e, thanks to the integrated controller. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1359\" data-start=\"1145\"\u003e \u003cp data-end=\"1359\" data-start=\"1147\"\u003e\u003cstrong data-end=\"1184\" data-start=\"1147\"\u003ePositive-displacement hydraulics:\u003c\/strong\u003e Progressive-cavity rotor\/stator provides consistent flow as head rises and resists silt\/air intrusion better than centrifugal designs. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003c\/li\u003e \u003cli data-end=\"1544\" data-start=\"1360\"\u003e \u003cp data-end=\"1544\" data-start=\"1362\"\u003e\u003cstrong data-end=\"1387\" data-start=\"1362\"\u003eServiceable \u0026amp; robust:\u003c\/strong\u003e Replaceable helical rotor; pump head and motor are rebuildable; brushless DC motor; integrated \u003cstrong data-end=\"1503\" data-start=\"1483\"\u003elow-water cutoff\u003c\/strong\u003e. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003ca class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" alt=\"https:\/\/www.sunrotor.com\/collection\/pumps\" rel=\"noopener\" href=\"https:\/\/www.sunrotor.com\/collection\/pumps\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cstrong data-end=\"1570\" data-start=\"1547\"\u003eInstaller friendly:\u003c\/strong\u003e \u003cstrong data-end=\"1582\" data-start=\"1571\"\u003e1\" FNPT\u003c\/strong\u003e outlet, \u003cstrong data-end=\"1602\" data-start=\"1591\"\u003e3.9\" OD\u003c\/strong\u003e to fit 4\" casings, \u003cstrong data-end=\"1649\" data-start=\"1622\"\u003esubmersion limit 400 ft\u003c\/strong\u003e, and accessories like float\/pressure switch kits available. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan data-testid=\"webpage-citation-pill\" class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch2 data-end=\"1776\" data-start=\"1749\"\u003eTechnical Specifications\u003c\/h2\u003e \u003cdiv class=\"_tableContainer_1rjym_1\"\u003e \u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e \u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"2533\" data-start=\"1778\"\u003e \u003cthead data-end=\"1806\" data-start=\"1778\"\u003e \u003ctr data-end=\"1806\" data-start=\"1778\"\u003e \u003cth data-col-size=\"sm\" data-end=\"1789\" data-start=\"1778\"\u003eCategory\u003c\/th\u003e \u003cth data-col-size=\"md\" data-end=\"1806\" data-start=\"1789\"\u003eSpecification\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody data-end=\"2533\" data-start=\"1817\"\u003e \u003ctr data-end=\"1879\" data-start=\"1817\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"1829\" data-start=\"1817\"\u003ePump type\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"1879\" data-start=\"1829\"\u003eHelical-rotor (progressive-cavity) submersible\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"1955\" data-start=\"1880\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"1899\" data-start=\"1880\"\u003eMax depth \/ flow\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"1955\" data-start=\"1899\"\u003eUp to \u003cstrong data-end=\"1921\" data-start=\"1907\"\u003e900 ft TDH\u003c\/strong\u003e at ~\u003cstrong data-end=\"1935\" data-start=\"1926\"\u003e3 GPM\u003c\/strong\u003e (array dependent)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"2042\" data-start=\"1956\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"1970\" data-start=\"1956\"\u003ePower input\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"2042\" data-start=\"1970\"\u003e \u003cstrong data-end=\"1986\" data-start=\"1972\"\u003e60–370 VDC\u003c\/strong\u003e PV or \u003cstrong data-end=\"2012\" data-start=\"1993\"\u003esingle-phase AC\u003c\/strong\u003e (via integrated controller)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"2109\" data-start=\"2043\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"2066\" data-start=\"2043\"\u003eRecommended PV power\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"2109\" data-start=\"2066\"\u003e \u003cstrong data-end=\"2082\" data-start=\"2068\"\u003e~250–840 W\u003c\/strong\u003e (see performance curves)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"2145\" data-start=\"2110\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"2130\" data-start=\"2110\"\u003eOutlet connection\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"2145\" data-start=\"2130\"\u003e\u003cstrong data-end=\"2143\" data-start=\"2132\"\u003e1\" FNPT\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"2204\" data-start=\"2146\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"2165\" data-start=\"2146\"\u003eSubmersion limit\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"2204\" data-start=\"2165\"\u003e \u003cstrong data-end=\"2177\" data-start=\"2167\"\u003e400 ft\u003c\/strong\u003e below static water level\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"2281\" data-start=\"2205\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"2225\" data-start=\"2205\"\u003eDiameter \/ height\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"2281\" data-start=\"2225\"\u003e \u003cstrong data-end=\"2241\" data-start=\"2227\"\u003e≈3.9 in OD\u003c\/strong\u003e (fits 4\" casing) • \u003cstrong data-end=\"2274\" data-start=\"2261\"\u003e≈51.25 in\u003c\/strong\u003e tall\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"2317\" data-start=\"2282\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"2291\" data-start=\"2282\"\u003eWeight\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"2317\" data-start=\"2291\"\u003e\u003cstrong data-end=\"2315\" data-start=\"2293\"\u003e≈29.5 lb (13.4 kg)\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"2399\" data-start=\"2318\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"2333\" data-start=\"2318\"\u003eConstruction\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"2399\" data-start=\"2333\"\u003eStainless body; water-jacketed submersible motor; brushless DC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"2449\" data-start=\"2400\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"2414\" data-start=\"2400\"\u003eProtections\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"2449\" data-start=\"2414\"\u003eIntegrated \u003cstrong data-end=\"2447\" data-start=\"2427\"\u003elow-water cutoff\u003c\/strong\u003e \u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-end=\"2533\" data-start=\"2450\"\u003e \u003ctd data-col-size=\"sm\" data-end=\"2467\" data-start=\"2450\"\u003eServiceability\u003c\/td\u003e \u003ctd data-col-size=\"md\" data-end=\"2533\" data-start=\"2467\"\u003eField-replaceable helical rotor; pump head \u0026amp; motor rebuildable\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cp data-end=\"2652\" data-start=\"2535\"\u003eFigures summarized from the manufacturer’s SRDI-36 product page and spec sheet.\u003c\/p\u003e","brand":"Sunrotor","offers":[{"title":"Default Title","offer_id":55064587862355,"sku":null,"price":1548.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/SRDI-36.jpg?v=1790371523","url":"https:\/\/progradewarehouse.com\/products\/sunrotor-srdi-36-deep-well-helical-rotor-solar-pump","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}