{"product_id":"sunrotor-sr-2-helical-rotor-solar-pump-2-submersible","title":"SunRotor SR-2 - 36VDC Helical Rotor Solar Pump (2\" Submersible)","description":"\u003cp data-start=\"117\" data-end=\"1021\"\u003eThe SunRotor SR-2 is a compact 2-inch submersible helical-rotor (progressive-cavity) solar pump designed for small-diameter wells and sand-point installations where suction pumps can’t reach. Its positive-displacement rotor\/stator geometry produces pressure at low RPM, so the SR-2 starts moving water early in the morning, keeps pumping late in the afternoon, and maintains steady flow even as head increases.\u003c\/p\u003e \u003cp data-start=\"117\" data-end=\"1021\"\u003eThe SR-2 pairs with a matched DC controller to accept power directly from PV, battery, or a combination, and it’s field-serviceable—built so wear components can be replaced without tossing the whole unit. With a wide usable input-voltage window, stainless construction, and a slim 2-inch OD that fits casings others can’t, the SR-2 is a go-to choice for livestock tanks, off-grid cabins, and remote water points where reliability, easy repair, and high lift from modest array sizes matter.\u003c\/p\u003e \u003ch2 data-start=\"1023\" data-end=\"1041\"\u003eProduct Details\u003c\/h2\u003e \u003cul data-start=\"1042\" data-end=\"1846\"\u003e \u003cli data-start=\"1042\" data-end=\"1149\"\u003e \u003cp data-start=\"1044\" data-end=\"1149\"\u003e2-inch submersible form factor fits narrow casings and sand-point wells beyond suction-lift limits.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1150\" data-end=\"1275\"\u003e \u003cp data-start=\"1152\" data-end=\"1275\"\u003eProgressive-cavity helical rotor delivers strong head at low RPM for dependable solar performance throughout the day.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1276\" data-end=\"1388\"\u003e \u003cp data-start=\"1278\" data-end=\"1388\"\u003ePV\/battery flexibility: runs from solar, battery, or hybrid input using the matched SunRotor controller.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1389\" data-end=\"1498\"\u003e \u003cp data-start=\"1391\" data-end=\"1498\"\u003eHigh lift in small packages: capable of significant TDH with usable flows for stock tanks and cabins.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1499\" data-end=\"1613\"\u003e \u003cp data-start=\"1501\" data-end=\"1613\"\u003eServiceable design: single moving part, rebuildable rotor\/stator; wear parts are replaceable in the field.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1614\" data-end=\"1722\"\u003e \u003cp data-start=\"1616\" data-end=\"1722\"\u003eRugged build: stainless body, sealed submersible motor section, and conservative thermal protection.\u003c\/p\u003e \u003c\/li\u003e \u003cli data-start=\"1723\" data-end=\"1846\"\u003e \u003cp data-start=\"1725\" data-end=\"1846\"\u003eInstaller friendly: standard 3\/4\" FNPT outlet, slim profile for easy drop-in, and clear wiring to the controller.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch2 data-start=\"1848\" data-end=\"1875\"\u003eTechnical Specifications\u003c\/h2\u003e \u003cdiv\u003e \u003cdiv tabindex=\"-1\"\u003e \u003ctable data-start=\"1876\" data-end=\"2660\"\u003e \u003cthead data-start=\"1876\" data-end=\"1904\"\u003e \u003ctr data-start=\"1876\" data-end=\"1904\"\u003e \u003cth data-start=\"1876\" data-end=\"1887\" data-col-size=\"sm\"\u003eCategory\u003c\/th\u003e \u003cth data-start=\"1887\" data-end=\"1904\" data-col-size=\"md\"\u003eSpecification\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody data-start=\"1915\" data-end=\"2660\"\u003e \u003ctr data-start=\"1915\" data-end=\"1977\"\u003e \u003ctd data-start=\"1915\" data-end=\"1927\" data-col-size=\"sm\"\u003ePump type\u003c\/td\u003e \u003ctd data-start=\"1927\" data-end=\"1977\" data-col-size=\"md\"\u003eHelical-rotor (progressive-cavity) submersible\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"1978\" data-end=\"2061\"\u003e \u003ctd data-start=\"1978\" data-end=\"2006\" data-col-size=\"sm\"\u003eNominal operating voltage\u003c\/td\u003e \u003ctd data-start=\"2006\" data-end=\"2061\" data-col-size=\"md\"\u003e24–36 VDC (usable range ~12–48 VDC with controller)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2062\" data-end=\"2133\"\u003e \u003ctd data-start=\"2062\" data-end=\"2087\" data-col-size=\"sm\"\u003eTypical PV power range\u003c\/td\u003e \u003ctd data-start=\"2087\" data-end=\"2133\" data-col-size=\"md\"\u003e~195–390 W (single or paired 24 V modules)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2134\" data-end=\"2218\"\u003e \u003ctd data-start=\"2134\" data-end=\"2162\" data-col-size=\"sm\"\u003eMax functional lift (TDH)\u003c\/td\u003e \u003ctd data-start=\"2162\" data-end=\"2218\" data-col-size=\"md\"\u003eUp to ~150–225 ft (site\/configuration dependent)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2219\" data-end=\"2301\"\u003e \u003ctd data-start=\"2219\" data-end=\"2241\" data-col-size=\"sm\"\u003eExample performance\u003c\/td\u003e \u003ctd data-start=\"2241\" data-end=\"2301\" data-col-size=\"md\"\u003e~4 GPM at 100 ft (with recommended array\/controller)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2302\" data-end=\"2328\"\u003e \u003ctd data-start=\"2302\" data-end=\"2311\" data-col-size=\"sm\"\u003eOutlet\u003c\/td\u003e \u003ctd data-start=\"2311\" data-end=\"2328\" data-col-size=\"md\"\u003e3\/4\" FNPT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2329\" data-end=\"2408\"\u003e \u003ctd data-start=\"2329\" data-end=\"2348\" data-col-size=\"sm\"\u003eSubmersion limit\u003c\/td\u003e \u003ctd data-start=\"2348\" data-end=\"2408\" data-col-size=\"md\"\u003e~100 ft below static water level (observe total TDH)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2409\" data-end=\"2482\"\u003e \u003ctd data-start=\"2409\" data-end=\"2424\" data-col-size=\"sm\"\u003eConstruction\u003c\/td\u003e \u003ctd data-start=\"2424\" data-end=\"2482\" data-col-size=\"md\"\u003eStainless steel body; sealed submersible motor section\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2483\" data-end=\"2573\"\u003e \u003ctd data-start=\"2483\" data-end=\"2504\" data-col-size=\"sm\"\u003eController pairing\u003c\/td\u003e \u003ctd data-start=\"2504\" data-end=\"2573\" data-col-size=\"md\"\u003eSunRotor SRC\/MRC-M50T DC input controller (PV\/battery compatible)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"2574\" data-end=\"2660\"\u003e \u003ctd data-start=\"2574\" data-end=\"2589\" data-col-size=\"sm\"\u003eApplications\u003c\/td\u003e \u003ctd data-start=\"2589\" data-end=\"2660\" data-col-size=\"md\"\u003eLivestock \u0026amp; wildlife tanks, cabin\/domestic supply, small irrigation\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e","brand":"Sunrotor","offers":[{"title":"Default Title","offer_id":55064587960659,"sku":null,"price":924.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/OIP_e9433016-1024-4975-a570-d7a864ee703c.jpg?v=1790371528","url":"https:\/\/progradewarehouse.com\/products\/sunrotor-sr-2-helical-rotor-solar-pump-2-submersible","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}