{"product_id":"everflo-ef4000-repair-kit-oem-replacement-part","title":"Everflo EF4000 Repair Kit – OEM Replacement Part","description":"\u003cp data-start=\"0\" data-end=\"136\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 4689\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pumps → Pump Parts → Pump Heads \u0026amp; Repair Kits\u003cbr data-start=\"83\" data-end=\"86\"\u003e\u003cstrong data-start=\"86\" data-end=\"95\"\u003eType:\u003c\/strong\u003e Everflo EF4000 Replacement Pump Head Kit\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"138\" data-end=\"141\"\u003e\n\u003cp data-start=\"201\" data-end=\"659\"\u003eThe \u003cstrong data-start=\"205\" data-end=\"247\"\u003eEverflo EF4000 Repair Kit (Part #4689)\u003c\/strong\u003e is a genuine OEM replacement pump head assembly designed to restore the performance, reliability, and service life of compatible \u003cstrong data-start=\"377\" data-end=\"411\"\u003eEverflo EF4000 diaphragm pumps\u003c\/strong\u003e. Featuring a durable polypropylene housing, polypropylene valve plate, Viton® valves, and a Santoprene® diaphragm, this replacement pump head provides a cost-effective solution for repairing worn or damaged pumps without replacing the entire unit.\u003c\/p\u003e\n\u003chr data-start=\"1191\" data-end=\"1194\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1196\" data-end=\"1222\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1224\" data-end=\"1742\"\u003e\n\u003cli data-section-id=\"vdjybf\" data-start=\"1224\" data-end=\"1267\"\u003eGenuine Everflo OEM replacement pump head\u003c\/li\u003e\n\u003cli data-section-id=\"150sr2t\" data-start=\"1268\" data-end=\"1316\"\u003eDesigned specifically for Everflo EF4000 pumps\u003c\/li\u003e\n\u003cli data-section-id=\"n0h6mi\" data-start=\"1317\" data-end=\"1353\"\u003eRestores original pump performance\u003c\/li\u003e\n\u003cli data-section-id=\"t6feqc\" data-start=\"1354\" data-end=\"1390\"\u003eDurable polypropylene pump housing\u003c\/li\u003e\n\u003cli data-section-id=\"v4l76l\" data-start=\"1391\" data-end=\"1431\"\u003ePolypropylene valve plate construction\u003c\/li\u003e\n\u003cli data-section-id=\"jw6j1c\" data-start=\"1432\" data-end=\"1481\"\u003eViton® valve assemblies for chemical resistance\u003c\/li\u003e\n\u003cli data-section-id=\"g68zu4\" data-start=\"1482\" data-end=\"1536\"\u003eSantoprene® diaphragm for durability and flexibility\u003c\/li\u003e\n\u003cli data-section-id=\"18j8jhl\" data-start=\"1537\" data-end=\"1577\"\u003eHoneywell® Micro Switch® compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"7iungt\" data-start=\"1578\" data-end=\"1618\"\u003eRound-Up® ready chemical compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"1hfcx9e\" data-start=\"1619\" data-end=\"1672\"\u003eCost-effective alternative to full pump replacement\u003c\/li\u003e\n\u003cli data-section-id=\"656xl3\" data-start=\"1673\" data-end=\"1706\"\u003eHelps reduce equipment downtime\u003c\/li\u003e\n\u003cli data-section-id=\"cgzv8s\" data-start=\"1707\" data-end=\"1742\"\u003eEasy installation and maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1744\" data-end=\"1747\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1749\" data-end=\"1776\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1778\" data-end=\"1799\"\u003e\u003cstrong data-start=\"1778\" data-end=\"1794\"\u003ePart Number:\u003c\/strong\u003e 4689\u003c\/p\u003e\n\u003cp data-start=\"1801\" data-end=\"1826\"\u003e\u003cstrong data-start=\"1801\" data-end=\"1818\"\u003eManufacturer:\u003c\/strong\u003e Everflo\u003c\/p\u003e\n\u003cp data-start=\"1828\" data-end=\"1871\"\u003e\u003cstrong data-start=\"1828\" data-end=\"1845\"\u003eProduct Type:\u003c\/strong\u003e Replacement Pump Head Kit\u003c\/p\u003e\n\u003cp data-start=\"1873\" data-end=\"1908\"\u003e\u003cstrong data-start=\"1873\" data-end=\"1893\"\u003eCompatible Pump:\u003c\/strong\u003e Everflo EF4000\u003c\/p\u003e\n\u003cp data-start=\"1910\" data-end=\"1951\"\u003e\u003cstrong data-start=\"1910\" data-end=\"1932\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 4.0 GPM (15.1 LPM)\u003c\/p\u003e\n\u003cp data-start=\"1953\" data-end=\"1991\"\u003e\u003cstrong data-start=\"1953\" data-end=\"1974\"\u003eMaximum Pressure:\u003c\/strong\u003e 60 PSI (4.1 Bar)\u003c\/p\u003e\n\u003cp data-start=\"1993\" data-end=\"2023\"\u003e\u003cstrong data-start=\"1993\" data-end=\"2017\"\u003eMaximum Temperature:\u003c\/strong\u003e 140°F\u003c\/p\u003e\n\u003cp data-start=\"2025\" data-end=\"2055\"\u003e\u003cstrong data-start=\"2025\" data-end=\"2039\"\u003ePort Size:\u003c\/strong\u003e 1\/2\" NPT Female\u003c\/p\u003e\n\u003cp data-start=\"2057\" data-end=\"2097\"\u003e\u003cstrong data-start=\"2057\" data-end=\"2083\"\u003ePump Housing Material:\u003c\/strong\u003e Polypropylene\u003c\/p\u003e\n\u003cp data-start=\"2099\" data-end=\"2138\"\u003e\u003cstrong data-start=\"2099\" data-end=\"2124\"\u003eValve Plate Material:\u003c\/strong\u003e Polypropylene\u003c\/p\u003e\n\u003cp data-start=\"2140\" data-end=\"2166\"\u003e\u003cstrong data-start=\"2140\" data-end=\"2159\"\u003eValve Material:\u003c\/strong\u003e Viton®\u003c\/p\u003e\n\u003cp data-start=\"2168\" data-end=\"2203\"\u003e\u003cstrong data-start=\"2168\" data-end=\"2191\"\u003eDiaphragm Material:\u003c\/strong\u003e Santoprene®\u003c\/p\u003e\n\u003cp data-start=\"2205\" data-end=\"2246\"\u003e\u003cstrong data-start=\"2205\" data-end=\"2221\"\u003eSwitch Type:\u003c\/strong\u003e Honeywell® Micro Switch®\u003c\/p\u003e\n\u003cp data-start=\"2248\" data-end=\"2291\"\u003e\u003cstrong data-start=\"2248\" data-end=\"2275\"\u003eChemical Compatibility:\u003c\/strong\u003e Round-Up® Ready\u003c\/p\u003e\n\u003cp data-start=\"2293\" data-end=\"2317\"\u003e\u003cstrong data-start=\"2293\" data-end=\"2313\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2319\" data-end=\"2322\"\u003e\n\u003ch2 data-section-id=\"17z2fqi\" data-start=\"2324\" data-end=\"2350\"\u003eCompatible Applications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"16ndhjq\" data-start=\"2352\" data-end=\"2377\"\u003eAgricultural Spraying\u003c\/h3\u003e\n\u003cp data-start=\"2379\" data-end=\"2389\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"2391\" data-end=\"2525\"\u003e\n\u003cli data-section-id=\"1vdksq5\" data-start=\"2391\" data-end=\"2414\"\u003eHerbicide application\u003c\/li\u003e\n\u003cli data-section-id=\"1hxvsat\" data-start=\"2415\" data-end=\"2436\"\u003eFertilizer spraying\u003c\/li\u003e\n\u003cli data-section-id=\"12kffp2\" data-start=\"2437\" data-end=\"2462\"\u003eInsecticide application\u003c\/li\u003e\n\u003cli data-section-id=\"1g0exix\" data-start=\"2463\" data-end=\"2478\"\u003eSpot spraying\u003c\/li\u003e\n\u003cli data-section-id=\"oqcrmm\" data-start=\"2479\" data-end=\"2499\"\u003eBroadcast spraying\u003c\/li\u003e\n\u003cli data-section-id=\"lcwo0j\" data-start=\"2500\" data-end=\"2525\"\u003eCrop protection systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"l3hg22\" data-start=\"2527\" data-end=\"2559\"\u003eLawn \u0026amp; Landscape Maintenance\u003c\/h3\u003e\n\u003cul data-start=\"2561\" data-end=\"2647\"\u003e\n\u003cli data-section-id=\"1h58jfy\" data-start=\"2561\" data-end=\"2578\"\u003eTurf management\u003c\/li\u003e\n\u003cli data-section-id=\"h6cvdj\" data-start=\"2579\" data-end=\"2599\"\u003eVegetation control\u003c\/li\u003e\n\u003cli data-section-id=\"24npwy\" data-start=\"2600\" data-end=\"2624\"\u003eCommercial landscaping\u003c\/li\u003e\n\u003cli data-section-id=\"1hcbv4i\" data-start=\"2625\" data-end=\"2647\"\u003eProperty maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"r6lso9\" data-start=\"2649\" data-end=\"2675\"\u003eFluid Transfer Systems\u003c\/h3\u003e\n\u003cul data-start=\"2677\" data-end=\"2765\"\u003e\n\u003cli data-section-id=\"s6zthy\" data-start=\"2677\" data-end=\"2693\"\u003eWater transfer\u003c\/li\u003e\n\u003cli data-section-id=\"6sr0vr\" data-start=\"2694\" data-end=\"2721\"\u003eTank filling and transfer\u003c\/li\u003e\n\u003cli data-section-id=\"p0s94x\" data-start=\"2722\" data-end=\"2740\"\u003eUtility spraying\u003c\/li\u003e\n\u003cli data-section-id=\"1625mbn\" data-start=\"2741\" data-end=\"2765\"\u003eGeneral fluid handling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"z2mocz\" data-start=\"2767\" data-end=\"2794\"\u003eCommercial Applications\u003c\/h3\u003e\n\u003cul data-start=\"2796\" data-end=\"2893\"\u003e\n\u003cli data-section-id=\"z5hms7\" data-start=\"2796\" data-end=\"2820\"\u003ePest control equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1eg8h2z\" data-start=\"2821\" data-end=\"2845\"\u003eAgricultural equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1u2wt4e\" data-start=\"2846\" data-end=\"2858\"\u003eSpray rigs\u003c\/li\u003e\n\u003cli data-section-id=\"9d24r9\" data-start=\"2859\" data-end=\"2893\"\u003eUtility and maintenance vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2895\" data-end=\"2898\"\u003e\n\u003ch2 data-section-id=\"ajeux9\" data-start=\"2900\" data-end=\"2930\"\u003ePremium Material Advantages\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1sdsu3d\" data-start=\"2932\" data-end=\"2949\"\u003eViton® Valves\u003c\/h3\u003e\n\u003cul data-start=\"2951\" data-end=\"3076\"\u003e\n\u003cli data-section-id=\"z5jfpn\" data-start=\"2951\" data-end=\"2982\"\u003eExcellent chemical resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1wdzf4p\" data-start=\"2983\" data-end=\"3002\"\u003eLong service life\u003c\/li\u003e\n\u003cli data-section-id=\"17atzar\" data-start=\"3003\" data-end=\"3033\"\u003eReliable sealing performance\u003c\/li\u003e\n\u003cli data-section-id=\"1pksejb\" data-start=\"3034\" data-end=\"3076\"\u003eSuitable for many agricultural chemicals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"10ls9qm\" data-start=\"3078\" data-end=\"3103\"\u003eSantoprene® Diaphragm\u003c\/h3\u003e\n\u003cul data-start=\"3105\" data-end=\"3242\"\u003e\n\u003cli data-section-id=\"e7au7d\" data-start=\"3105\" data-end=\"3136\"\u003eDurable flexible construction\u003c\/li\u003e\n\u003cli data-section-id=\"cjdluq\" data-start=\"3137\" data-end=\"3167\"\u003eExcellent fatigue resistance\u003c\/li\u003e\n\u003cli data-section-id=\"1s48pag\" data-start=\"3168\" data-end=\"3200\"\u003eConsistent pumping performance\u003c\/li\u003e\n\u003cli data-section-id=\"14hx97a\" data-start=\"3201\" data-end=\"3242\"\u003eDesigned for extended service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1cqnzp3\" data-start=\"3244\" data-end=\"3274\"\u003ePolypropylene Construction\u003c\/h3\u003e\n\u003cul data-start=\"3276\" data-end=\"3385\"\u003e\n\u003cli data-section-id=\"ynt0ch\" data-start=\"3276\" data-end=\"3297\"\u003eCorrosion resistant\u003c\/li\u003e\n\u003cli data-section-id=\"yztn93\" data-start=\"3298\" data-end=\"3323\"\u003eLightweight yet durable\u003c\/li\u003e\n\u003cli data-section-id=\"15mql8m\" data-start=\"3324\" data-end=\"3358\"\u003eExcellent chemical compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"mto73x\" data-start=\"3359\" data-end=\"3385\"\u003eLong-lasting performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3387\" data-end=\"3390\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"3392\" data-end=\"3415\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul data-start=\"3417\" data-end=\"3655\"\u003e\n\u003cli data-section-id=\"1qu413b\" data-start=\"3417\" data-end=\"3448\"\u003eRestores original flow output\u003c\/li\u003e\n\u003cli data-section-id=\"gcibon\" data-start=\"3449\" data-end=\"3480\"\u003eMaintains consistent pressure\u003c\/li\u003e\n\u003cli data-section-id=\"v7xxop\" data-start=\"3481\" data-end=\"3508\"\u003eImproves pump reliability\u003c\/li\u003e\n\u003cli data-section-id=\"70gjxo\" data-start=\"3509\" data-end=\"3536\"\u003eExtends overall pump life\u003c\/li\u003e\n\u003cli data-section-id=\"50wwym\" data-start=\"3537\" data-end=\"3559\"\u003eReduces repair costs\u003c\/li\u003e\n\u003cli data-section-id=\"19vnq04\" data-start=\"3560\" data-end=\"3580\"\u003eMinimizes downtime\u003c\/li\u003e\n\u003cli data-section-id=\"1m0fn87\" data-start=\"3581\" data-end=\"3618\"\u003eSupports dependable field operation\u003c\/li\u003e\n\u003cli data-section-id=\"4ucyul\" data-start=\"3619\" data-end=\"3655\"\u003eHelps maintain spraying efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3657\" data-end=\"3660\"\u003e\n\u003ch2 data-section-id=\"1git9qc\" data-start=\"3662\" data-end=\"3710\"\u003eSigns Your EF4000 Pump Head Needs Replacement\u003c\/h2\u003e\n\u003cp data-start=\"3712\" data-end=\"3748\"\u003eReplace the pump head if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3750\" data-end=\"3902\"\u003e\n\u003cli data-section-id=\"1mlu30c\" data-start=\"3750\" data-end=\"3769\"\u003eReduced flow rate\u003c\/li\u003e\n\u003cli data-section-id=\"1aynpt3\" data-start=\"3770\" data-end=\"3788\"\u003eLoss of pressure\u003c\/li\u003e\n\u003cli data-section-id=\"c9q5f4\" data-start=\"3789\" data-end=\"3806\"\u003eCracked housing\u003c\/li\u003e\n\u003cli data-section-id=\"16nse27\" data-start=\"3807\" data-end=\"3825\"\u003eInternal leakage\u003c\/li\u003e\n\u003cli data-section-id=\"1vesai6\" data-start=\"3826\" data-end=\"3844\"\u003eDiaphragm damage\u003c\/li\u003e\n\u003cli data-section-id=\"1l3d57l\" data-start=\"3845\" data-end=\"3857\"\u003eValve wear\u003c\/li\u003e\n\u003cli data-section-id=\"heio2q\" data-start=\"3858\" data-end=\"3885\"\u003eInconsistent pump cycling\u003c\/li\u003e\n\u003cli data-section-id=\"r34p5o\" data-start=\"3886\" data-end=\"3902\"\u003eChemical leaks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3904\" data-end=\"3907\"\u003e\n\u003ch2 data-section-id=\"16dprsq\" data-start=\"3909\" data-end=\"3930\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003col data-start=\"3932\" data-end=\"4239\"\u003e\n\u003cli data-section-id=\"kmvixw\" data-start=\"3932\" data-end=\"3980\"\u003eDisconnect power and relieve system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"8638gl\" data-start=\"3981\" data-end=\"4023\"\u003eRemove the existing pump head assembly.\u003c\/li\u003e\n\u003cli data-section-id=\"whdqzs\" data-start=\"4024\" data-end=\"4069\"\u003eInspect the motor and mounting components.\u003c\/li\u003e\n\u003cli data-section-id=\"1wvda4n\" data-start=\"4070\" data-end=\"4107\"\u003eInstall the replacement pump head.\u003c\/li\u003e\n\u003cli data-section-id=\"9h41xk\" data-start=\"4108\" data-end=\"4143\"\u003eReconnect plumbing and fittings.\u003c\/li\u003e\n\u003cli data-section-id=\"2vz9wd\" data-start=\"4144\" data-end=\"4179\"\u003ePrime the pump before operation.\u003c\/li\u003e\n\u003cli data-section-id=\"174m2gh\" data-start=\"4180\" data-end=\"4239\"\u003eVerify proper flow, pressure, and leak-free performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"4241\" data-end=\"4378\"\u003e\u003cstrong data-start=\"4241\" data-end=\"4255\"\u003eImportant:\u003c\/strong\u003e Always confirm compatibility with your Everflo EF4000 pump before installation and follow manufacturer service procedures.\u003c\/p\u003e\n\u003chr data-start=\"4380\" data-end=\"4383\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4385\" data-end=\"4415\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4417\" data-end=\"4655\"\u003e\n\u003cli data-section-id=\"ix9f0g\" data-start=\"4417\" data-end=\"4453\"\u003eFlush the pump after chemical use.\u003c\/li\u003e\n\u003cli data-section-id=\"tpy3w5\" data-start=\"4454\" data-end=\"4483\"\u003eKeep inlet strainers clean.\u003c\/li\u003e\n\u003cli data-section-id=\"1t8jiup\" data-start=\"4484\" data-end=\"4526\"\u003eInspect valves and diaphragms regularly.\u003c\/li\u003e\n\u003cli data-section-id=\"1616oa6\" data-start=\"4527\" data-end=\"4567\"\u003eMonitor pressure and flow performance.\u003c\/li\u003e\n\u003cli data-section-id=\"lrnnur\" data-start=\"4568\" data-end=\"4603\"\u003eReplace worn components promptly.\u003c\/li\u003e\n\u003cli data-section-id=\"6e8w6g\" data-start=\"4604\" data-end=\"4655\"\u003eFollow Everflo recommended maintenance schedules.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Everflo","offers":[{"title":"Default Title","offer_id":53427258098027,"sku":null,"price":94.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/EF4000REPAIRKIT.webp?v=1782436315","url":"https:\/\/generalsprayers.com\/products\/everflo-ef4000-repair-kit-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}