{"product_id":"u-m-r-kit-vrt3-310-unloader-ready-kit-for-pumps-up-to-4500-psi-with-1-2-fpt-inlet-3-8-fpt-outlet-oem-replacement-part","title":"U.M.R. Kit VRT3-310 Unloader Ready Kit for Pumps Up to 4500 PSI with 1\/2\" FPT Inlet \u0026 3\/8\" FPT Outlet – OEM Replacement Part","description":"\u003cdiv class=\"\" data-turn-id-container=\"23c7278e-84f2-4404-a6d7-bfbae61a3b57\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-(--sticky-padding-top)\" dir=\"auto\" data-turn-id=\"23c7278e-84f2-4404-a6d7-bfbae61a3b57\" data-turn-id-container=\"23c7278e-84f2-4404-a6d7-bfbae61a3b57\" data-testid=\"conversation-turn-469\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a35562f-a1fc-83ea-bfdd-f10b85f84e9a-7\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a35562f-a1fc-83ea-bfdd-f10b85f84e9a-7\" data-turn-id-container=\"request-6a35562f-a1fc-83ea-bfdd-f10b85f84e9a-7\" data-testid=\"conversation-turn-470\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3ff0b301-b01f-4b0a-a248-88972ac4be00\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"streaming-animation markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"149\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 4642\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Unloader Valves → Unloader Kits\u003cbr data-start=\"93\" data-end=\"96\"\u003e\u003cstrong data-start=\"96\" data-end=\"105\"\u003eType:\u003c\/strong\u003e U.M.R. Kit VRT3-310 Unloader Made Ready Kit\u003c\/p\u003e\n\u003chr data-start=\"151\" data-end=\"154\"\u003e\n\u003cp data-start=\"290\" data-end=\"737\"\u003eThe \u003cstrong data-start=\"294\" data-end=\"354\"\u003eU.M.R. Kit VRT3-310 Unloader Made Ready Kit (Part #4642)\u003c\/strong\u003e is a complete OEM replacement solution designed to simplify the replacement of worn, damaged, or malfunctioning pressure-actuated unloader valves on pressure washer systems rated up to \u003cstrong data-start=\"540\" data-end=\"553\"\u003e4,500 PSI\u003c\/strong\u003e. Built around the trusted \u003cstrong data-start=\"580\" data-end=\"619\"\u003eVRT3-310 pressure-actuated unloader\u003c\/strong\u003e, this all-in-one kit includes the essential components needed for a convenient unloader replacement and installation.\u003c\/p\u003e\n\u003cp data-start=\"290\" data-end=\"737\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cem\u003eImage shown for illustrative purposes only\u003c\/em\u003e\u003cb id=\"docs-internal-guid-ac102bdf-7fff-16b3-bbf9-cc15a260a2ed\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003chr data-start=\"1341\" data-end=\"1344\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1346\" data-end=\"1372\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1374\" data-end=\"1918\"\u003e\n\u003cli data-section-id=\"jdanw9\" data-start=\"1374\" data-end=\"1429\"\u003eComplete VRT3-310 Unloader Made Ready replacement kit\u003c\/li\u003e\n\u003cli data-section-id=\"1opcshg\" data-start=\"1430\" data-end=\"1472\"\u003eDesigned for pumps rated up to 4,500 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"1li6zo0\" data-start=\"1473\" data-end=\"1523\"\u003eSimplifies unloader replacement and installation\u003c\/li\u003e\n\u003cli data-section-id=\"1k6sjll\" data-start=\"1524\" data-end=\"1568\"\u003eIncludes essential installation components\u003c\/li\u003e\n\u003cli data-section-id=\"4cmm1b\" data-start=\"1569\" data-end=\"1604\"\u003ePressure-actuated unloader design\u003c\/li\u003e\n\u003cli data-section-id=\"26wjm6\" data-start=\"1605\" data-end=\"1647\"\u003eHelps protect pumps from pressure spikes\u003c\/li\u003e\n\u003cli data-section-id=\"jhde0\" data-start=\"1648\" data-end=\"1685\"\u003eRestores proper pressure regulation\u003c\/li\u003e\n\u003cli data-section-id=\"7l7zld\" data-start=\"1686\" data-end=\"1719\"\u003eReduces downtime during repairs\u003c\/li\u003e\n\u003cli data-section-id=\"pgu3i6\" data-start=\"1720\" data-end=\"1777\"\u003eSuitable for commercial and industrial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1rf57on\" data-start=\"1778\" data-end=\"1834\"\u003eIdeal for maintenance, repairs, and equipment upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"1l8lp8n\" data-start=\"1835\" data-end=\"1866\"\u003eProfessional-grade components\u003c\/li\u003e\n\u003cli data-section-id=\"2nhy3n\" data-start=\"1867\" data-end=\"1918\"\u003eEasy-to-follow installation instructions included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1920\" data-end=\"1923\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1925\" data-end=\"1952\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1954\" data-end=\"1975\"\u003e\u003cstrong data-start=\"1954\" data-end=\"1970\"\u003ePart Number:\u003c\/strong\u003e 4642\u003c\/p\u003e\n\u003cp data-start=\"1977\" data-end=\"2007\"\u003e\u003cstrong data-start=\"1977\" data-end=\"1987\"\u003eModel:\u003c\/strong\u003e VRT3-310 U.M.R. Kit\u003c\/p\u003e\n\u003cp data-start=\"2009\" data-end=\"2050\"\u003e\u003cstrong data-start=\"2009\" data-end=\"2026\"\u003eProduct Type:\u003c\/strong\u003e Unloader Made Ready Kit\u003c\/p\u003e\n\u003cp data-start=\"2052\" data-end=\"2083\"\u003e\u003cstrong data-start=\"2052\" data-end=\"2073\"\u003eMaximum Pressure:\u003c\/strong\u003e 4,500 PSI\u003c\/p\u003e\n\u003cp data-start=\"2085\" data-end=\"2115\"\u003e\u003cstrong data-start=\"2085\" data-end=\"2106\"\u003eInlet Connection:\u003c\/strong\u003e 1\/2\" FPT\u003c\/p\u003e\n\u003cp data-start=\"2117\" data-end=\"2148\"\u003e\u003cstrong data-start=\"2117\" data-end=\"2139\"\u003eOutlet Connection:\u003c\/strong\u003e 3\/8\" FPT\u003c\/p\u003e\n\u003cp data-start=\"2150\" data-end=\"2186\"\u003e\u003cstrong data-start=\"2150\" data-end=\"2168\"\u003eUnloader Type:\u003c\/strong\u003e Pressure Actuated\u003c\/p\u003e\n\u003cp data-start=\"2188\" data-end=\"2212\"\u003e\u003cstrong data-start=\"2188\" data-end=\"2208\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2214\" data-end=\"2217\"\u003e\n\u003ch2 data-section-id=\"x622x5\" data-start=\"2219\" data-end=\"2234\"\u003eKit Contents\u003c\/h2\u003e\n\u003cp data-start=\"2236\" data-end=\"2260\"\u003eThe U.M.R. Kit includes:\u003c\/p\u003e\n\u003cul data-start=\"2262\" data-end=\"2438\"\u003e\n\u003cli data-section-id=\"12itth1\" data-start=\"2262\" data-end=\"2296\"\u003ePressure-actuated unloader valve\u003c\/li\u003e\n\u003cli data-section-id=\"fc10r6\" data-start=\"2297\" data-end=\"2311\"\u003eInlet filter\u003c\/li\u003e\n\u003cli data-section-id=\"uyf4di\" data-start=\"2312\" data-end=\"2350\"\u003eQuick-connect (QC) discharge fitting\u003c\/li\u003e\n\u003cli data-section-id=\"rrqxaj\" data-start=\"2351\" data-end=\"2371\"\u003ePush-on hose barbs\u003c\/li\u003e\n\u003cli data-section-id=\"1tj2iwj\" data-start=\"2372\" data-end=\"2405\"\u003eRoll of Teflon thread seal tape\u003c\/li\u003e\n\u003cli data-section-id=\"1rjbrdv\" data-start=\"2406\" data-end=\"2438\"\u003eInstallation instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2440\" data-end=\"2524\"\u003e\u003cstrong data-start=\"2440\" data-end=\"2449\"\u003eNote:\u003c\/strong\u003e Components are supplied separately and are not pre-assembled or connected.\u003c\/p\u003e\n\u003chr data-start=\"2526\" data-end=\"2529\"\u003e\n\u003ch2 data-section-id=\"1w02mme\" data-start=\"2531\" data-end=\"2572\"\u003eWhat a Pressure-Actuated Unloader Does\u003c\/h2\u003e\n\u003cp data-start=\"2574\" data-end=\"2611\"\u003eThe VRT3-310 unloader is designed to:\u003c\/p\u003e\n\u003cul data-start=\"2613\" data-end=\"2855\"\u003e\n\u003cli data-section-id=\"1guzp1l\" data-start=\"2613\" data-end=\"2642\"\u003eRegulate operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1gzaa3t\" data-start=\"2643\" data-end=\"2695\"\u003eDivert water flow when the trigger gun is released\u003c\/li\u003e\n\u003cli data-section-id=\"s3b5pi\" data-start=\"2696\" data-end=\"2742\"\u003eProtect pumps from damaging pressure buildup\u003c\/li\u003e\n\u003cli data-section-id=\"10vpvjg\" data-start=\"2743\" data-end=\"2780\"\u003eReduce stress on hoses and fittings\u003c\/li\u003e\n\u003cli data-section-id=\"fhdcyw\" data-start=\"2781\" data-end=\"2817\"\u003eImprove overall system reliability\u003c\/li\u003e\n\u003cli data-section-id=\"1v5u496\" data-start=\"2818\" data-end=\"2855\"\u003eExtend pressure washer service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2857\" data-end=\"2957\"\u003eWhen spraying stops, the unloader redirects water through the bypass circuit until cleaning resumes.\u003c\/p\u003e\n\u003chr data-start=\"2959\" data-end=\"2962\"\u003e\n\u003ch2 data-section-id=\"vx2wyp\" data-start=\"2964\" data-end=\"2986\"\u003eCommon Applications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"wcna3b\" data-start=\"2988\" data-end=\"3015\"\u003ePressure Washer Repairs\u003c\/h3\u003e\n\u003cp data-start=\"3017\" data-end=\"3027\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"3029\" data-end=\"3184\"\u003e\n\u003cli data-section-id=\"17wzxhw\" data-start=\"3029\" data-end=\"3061\"\u003eReplacing worn unloader valves\u003c\/li\u003e\n\u003cli data-section-id=\"1321ip6\" data-start=\"3062\" data-end=\"3091\"\u003ePressure washer maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"zjjdw0\" data-start=\"3092\" data-end=\"3122\"\u003eCommercial equipment repairs\u003c\/li\u003e\n\u003cli data-section-id=\"1thoz7f\" data-start=\"3123\" data-end=\"3148\"\u003eContractor service work\u003c\/li\u003e\n\u003cli data-section-id=\"czyc4z\" data-start=\"3149\" data-end=\"3184\"\u003ePreventative maintenance programs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1m4yfbj\" data-start=\"3186\" data-end=\"3213\"\u003ePressure Washer Systems\u003c\/h3\u003e\n\u003cp data-start=\"3215\" data-end=\"3231\"\u003eCompatible with:\u003c\/p\u003e\n\u003cul data-start=\"3233\" data-end=\"3406\"\u003e\n\u003cli data-section-id=\"1ftw8hk\" data-start=\"3233\" data-end=\"3262\"\u003eCommercial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"16ga20s\" data-start=\"3263\" data-end=\"3292\"\u003eIndustrial cleaning systems\u003c\/li\u003e\n\u003cli data-section-id=\"cmzgkj\" data-start=\"3293\" data-end=\"3315\"\u003eMobile wash trailers\u003c\/li\u003e\n\u003cli data-section-id=\"1nyqh80\" data-start=\"3316\" data-end=\"3347\"\u003eSkid-mounted pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"g7mqf6\" data-start=\"3348\" data-end=\"3376\"\u003eHot water pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1l5zndh\" data-start=\"3377\" data-end=\"3406\"\u003eCold water pressure washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3408\" data-end=\"3411\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"3413\" data-end=\"3436\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul data-start=\"3438\" data-end=\"3689\"\u003e\n\u003cli data-section-id=\"1l1dhfv\" data-start=\"3438\" data-end=\"3467\"\u003eFaster unloader replacement\u003c\/li\u003e\n\u003cli data-section-id=\"1bl7wox\" data-start=\"3468\" data-end=\"3498\"\u003eReliable pressure regulation\u003c\/li\u003e\n\u003cli data-section-id=\"1bb2u3x\" data-start=\"3499\" data-end=\"3525\"\u003eImproved pump protection\u003c\/li\u003e\n\u003cli data-section-id=\"1xll4ba\" data-start=\"3526\" data-end=\"3556\"\u003eReduced maintenance downtime\u003c\/li\u003e\n\u003cli data-section-id=\"1gpagnp\" data-start=\"3557\" data-end=\"3590\"\u003eConsistent cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"1kjg8fj\" data-start=\"3591\" data-end=\"3620\"\u003eExtended equipment lifespan\u003c\/li\u003e\n\u003cli data-section-id=\"1k119t8\" data-start=\"3621\" data-end=\"3657\"\u003eConvenient all-in-one kit solution\u003c\/li\u003e\n\u003cli data-section-id=\"c81ntm\" data-start=\"3658\" data-end=\"3689\"\u003eProfessional-grade durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3691\" data-end=\"3694\"\u003e\n\u003ch2 data-section-id=\"22sv21\" data-start=\"3696\" data-end=\"3736\"\u003eSigns Your Unloader Needs Replacement\u003c\/h2\u003e\n\u003cp data-start=\"3738\" data-end=\"3788\"\u003eConsider replacing the unloader if you experience:\u003c\/p\u003e\n\u003cul data-start=\"3790\" data-end=\"4016\"\u003e\n\u003cli data-section-id=\"zta6im\" data-start=\"3790\" data-end=\"3813\"\u003ePressure fluctuations\u003c\/li\u003e\n\u003cli data-section-id=\"631cgz\" data-start=\"3814\" data-end=\"3843\"\u003eInconsistent spray pressure\u003c\/li\u003e\n\u003cli data-section-id=\"42aigf\" data-start=\"3844\" data-end=\"3865\"\u003ePump cycling issues\u003c\/li\u003e\n\u003cli data-section-id=\"uz2anl\" data-start=\"3866\" data-end=\"3889\"\u003eExcessive bypass flow\u003c\/li\u003e\n\u003cli data-section-id=\"op63ib\" data-start=\"3890\" data-end=\"3921\"\u003eDifficulty adjusting pressure\u003c\/li\u003e\n\u003cli data-section-id=\"2h54v1\" data-start=\"3922\" data-end=\"3955\"\u003eWater leaks around the unloader\u003c\/li\u003e\n\u003cli data-section-id=\"1n1a9ox\" data-start=\"3956\" data-end=\"3986\"\u003eReduced cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"pfbs99\" data-start=\"3987\" data-end=\"4016\"\u003eExcessive wear or corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4018\" data-end=\"4021\"\u003e\n\u003ch2 data-section-id=\"16dprsq\" data-start=\"4023\" data-end=\"4044\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003col data-start=\"4046\" data-end=\"4451\"\u003e\n\u003cli data-section-id=\"i3l6xd\" data-start=\"4046\" data-end=\"4104\"\u003eShut down the pressure washer and relieve all pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"f3ub55\" data-start=\"4105\" data-end=\"4158\"\u003eRemove the existing unloader and related fittings.\u003c\/li\u003e\n\u003cli data-section-id=\"1x4gr8b\" data-start=\"4159\" data-end=\"4209\"\u003eInstall the included inlet filter and fittings.\u003c\/li\u003e\n\u003cli data-section-id=\"1galdny\" data-start=\"4210\" data-end=\"4280\"\u003eApply the supplied Teflon tape to threaded connections as required.\u003c\/li\u003e\n\u003cli data-section-id=\"1kl19ck\" data-start=\"4281\" data-end=\"4344\"\u003eConnect the unloader according to the included instructions.\u003c\/li\u003e\n\u003cli data-section-id=\"15l5639\" data-start=\"4345\" data-end=\"4390\"\u003eVerify proper plumbing and bypass routing.\u003c\/li\u003e\n\u003cli data-section-id=\"wh2zwj\" data-start=\"4391\" data-end=\"4451\"\u003eTest the system for leaks and proper pressure regulation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"4453\" data-end=\"4566\"\u003e\u003cstrong data-start=\"4453\" data-end=\"4467\"\u003eImportant:\u003c\/strong\u003e Always verify compatibility with your pump's flow and pressure specifications before installation.\u003c\/p\u003e\n\u003chr data-start=\"4568\" data-end=\"4571\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4573\" data-end=\"4603\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4605\" data-end=\"4871\"\u003e\n\u003cli data-section-id=\"vakiz1\" data-start=\"4605\" data-end=\"4657\"\u003eInspect the unloader regularly for leaks and wear.\u003c\/li\u003e\n\u003cli data-section-id=\"15j0clm\" data-start=\"4658\" data-end=\"4707\"\u003eClean inlet filtration components periodically.\u003c\/li\u003e\n\u003cli data-section-id=\"e55mo9\" data-start=\"4708\" data-end=\"4763\"\u003eVerify operating pressure during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"zkppew\" data-start=\"4764\" data-end=\"4808\"\u003eReplace worn fittings and seals as needed.\u003c\/li\u003e\n\u003cli data-section-id=\"1da2s8y\" data-start=\"4809\" data-end=\"4871\"\u003eMaintain proper water filtration for maximum component life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Mecline","offers":[{"title":"Default Title","offer_id":53428887388523,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/U.M.R.KITVRT3-310.avif?v=1782497676","url":"https:\/\/generalsprayers.com\/products\/u-m-r-kit-vrt3-310-unloader-ready-kit-for-pumps-up-to-4500-psi-with-1-2-fpt-inlet-3-8-fpt-outlet-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}