{"product_id":"general-pump-pmr-ez4040g-vrt3-310ez-pump-made-ready-with-thermal-relief-4-0-gpm-4000-psi","title":"General Pump PMR EZ4040G-VRT3-310EZ Pump Made Ready with Thermal Relief – 4.0 GPM 4000 PSI","description":"\u003cdiv class=\"\" data-turn-id-container=\"3dddbbfe-515e-49fb-afc2-612c32607cd8\" 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=\"3dddbbfe-515e-49fb-afc2-612c32607cd8\" data-turn-id-container=\"3dddbbfe-515e-49fb-afc2-612c32607cd8\" data-testid=\"conversation-turn-21\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-12\" 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-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-12\" data-turn-id-container=\"request-6a41e0a9-6a1c-83ea-8a2f-44e0120c15c3-12\" data-testid=\"conversation-turn-22\" 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=\"241da1e4-d6d1-4640-aa7b-3269f68c1af9\" 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=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"194\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e EZ4040G-VRT3-310EZ\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Pumps → Triplex Pumps → Ready-to-Install Pump Assemblies\u003cbr data-start=\"110\" data-end=\"113\"\u003e\u003cstrong data-start=\"113\" data-end=\"122\"\u003eType:\u003c\/strong\u003e General Pump PMR EZ4040G-VRT3-310EZ Pump Made Ready with Thermal Relief\u003c\/p\u003e\n\u003chr data-start=\"196\" data-end=\"199\"\u003e\n\u003cp data-start=\"295\" data-end=\"800\"\u003eThe \u003cstrong data-start=\"299\" data-end=\"387\"\u003eGeneral Pump PMR EZ4040G-VRT3-310EZ Pump Made Ready with Thermal Relief (Part #6163)\u003c\/strong\u003e is a factory-configured, ready-to-install triplex pressure washer pump assembly designed for demanding commercial and industrial cleaning applications. Built around the \u003cstrong data-start=\"557\" data-end=\"581\"\u003eGeneral Pump EZ4040G\u003c\/strong\u003e triplex pump, this complete assembly comes pre-equipped with a \u003cstrong data-start=\"645\" data-end=\"674\"\u003eVRT3-310EZ unloader valve\u003c\/strong\u003e and \u003cstrong data-start=\"679\" data-end=\"703\"\u003ethermal relief valve\u003c\/strong\u003e, minimizing installation time while delivering reliable pressure regulation and pump protection.\u003c\/p\u003e\n\u003chr data-start=\"1439\" data-end=\"1442\"\u003e\n\u003ch1 data-section-id=\"1oef6j8\" data-start=\"1444\" data-end=\"1469\"\u003eKey Features \u0026amp; Benefits\u003c\/h1\u003e\n\u003cul data-start=\"1471\" data-end=\"2029\"\u003e\n\u003cli data-section-id=\"7hwrey\" data-start=\"1471\" data-end=\"1524\"\u003eGenuine General Pump ready-to-install pump assembly\u003c\/li\u003e\n\u003cli data-section-id=\"17n0wdg\" data-start=\"1525\" data-end=\"1544\"\u003ePart Number: 6163\u003c\/li\u003e\n\u003cli data-section-id=\"1pmtcyc\" data-start=\"1545\" data-end=\"1597\"\u003eBuilt around the General Pump EZ4040G triplex pump\u003c\/li\u003e\n\u003cli data-section-id=\"17vab43\" data-start=\"1598\" data-end=\"1639\"\u003ePre-installed VRT3-310EZ unloader valve\u003c\/li\u003e\n\u003cli data-section-id=\"1pbsouk\" data-start=\"1640\" data-end=\"1689\"\u003eIncludes factory-installed thermal relief valve\u003c\/li\u003e\n\u003cli data-section-id=\"g8ndhu\" data-start=\"1690\" data-end=\"1722\"\u003eRated for 4.0 GPM at 4,000 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"1xqjq8i\" data-start=\"1723\" data-end=\"1746\"\u003eOperates at 3,400 RPM\u003c\/li\u003e\n\u003cli data-section-id=\"1tjs86y\" data-start=\"1747\" data-end=\"1795\"\u003e1-inch hollow shaft for direct engine mounting\u003c\/li\u003e\n\u003cli data-section-id=\"14zcy09\" data-start=\"1796\" data-end=\"1835\"\u003eCompatible with engines up to 14.5 HP\u003c\/li\u003e\n\u003cli data-section-id=\"ln6ot1\" data-start=\"1836\" data-end=\"1897\"\u003eReduces installation time with factory-installed components\u003c\/li\u003e\n\u003cli data-section-id=\"13yvk3g\" data-start=\"1898\" data-end=\"1963\"\u003eHelps protect the pump from overheating during bypass operation\u003c\/li\u003e\n\u003cli data-section-id=\"1aq6u26\" data-start=\"1964\" data-end=\"2029\"\u003eDesigned for commercial and industrial pressure washing systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2031\" data-end=\"2034\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"2036\" data-end=\"2062\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cp data-start=\"2064\" data-end=\"2085\"\u003e\u003cstrong data-start=\"2064\" data-end=\"2080\"\u003ePart Number:\u003c\/strong\u003e 6163\u003c\/p\u003e\n\u003cp data-start=\"2087\" data-end=\"2110\"\u003e\u003cstrong data-start=\"2087\" data-end=\"2102\"\u003ePump Model:\u003c\/strong\u003e EZ4040G\u003c\/p\u003e\n\u003cp data-start=\"2112\" data-end=\"2147\"\u003e\u003cstrong data-start=\"2112\" data-end=\"2129\"\u003eManufacturer:\u003c\/strong\u003e General Pump (GP)\u003c\/p\u003e\n\u003cp data-start=\"2149\" data-end=\"2191\"\u003e\u003cstrong data-start=\"2149\" data-end=\"2166\"\u003eProduct Type:\u003c\/strong\u003e Pump Made Ready Assembly\u003c\/p\u003e\n\u003cp data-start=\"2193\" data-end=\"2223\"\u003e\u003cstrong data-start=\"2193\" data-end=\"2215\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 4.0 GPM\u003c\/p\u003e\n\u003cp data-start=\"2225\" data-end=\"2256\"\u003e\u003cstrong data-start=\"2225\" data-end=\"2246\"\u003eMaximum Pressure:\u003c\/strong\u003e 4,000 PSI\u003c\/p\u003e\n\u003cp data-start=\"2258\" data-end=\"2286\"\u003e\u003cstrong data-start=\"2258\" data-end=\"2276\"\u003eMaximum Speed:\u003c\/strong\u003e 3,400 RPM\u003c\/p\u003e\n\u003cp data-start=\"2288\" data-end=\"2311\"\u003e\u003cstrong data-start=\"2288\" data-end=\"2303\"\u003eHorsepower:\u003c\/strong\u003e 14.5 HP\u003c\/p\u003e\n\u003cp data-start=\"2313\" data-end=\"2331\"\u003e\u003cstrong data-start=\"2313\" data-end=\"2328\"\u003eShaft Size:\u003c\/strong\u003e 1\"\u003c\/p\u003e\n\u003cp data-start=\"2333\" data-end=\"2363\"\u003e\u003cstrong data-start=\"2333\" data-end=\"2352\"\u003eUnloader Valve:\u003c\/strong\u003e VRT3-310EZ\u003c\/p\u003e\n\u003cp data-start=\"2365\" data-end=\"2399\"\u003e\u003cstrong data-start=\"2365\" data-end=\"2390\"\u003eThermal Relief Valve:\u003c\/strong\u003e Included\u003c\/p\u003e\n\u003cp data-start=\"2401\" data-end=\"2419\"\u003e\u003cstrong data-start=\"2401\" data-end=\"2412\"\u003eWeight:\u003c\/strong\u003e 25 lbs\u003c\/p\u003e\n\u003cp data-start=\"2421\" data-end=\"2445\"\u003e\u003cstrong data-start=\"2421\" data-end=\"2441\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2447\" data-end=\"2450\"\u003e\n\u003ch1 data-section-id=\"1w7a361\" data-start=\"2452\" data-end=\"2477\"\u003eCompatible Applications\u003c\/h1\u003e\n\u003cp data-start=\"2479\" data-end=\"2551\"\u003eDesigned for use with compatible gas-powered pressure washers utilizing:\u003c\/p\u003e\n\u003cul data-start=\"2553\" data-end=\"2821\"\u003e\n\u003cli data-section-id=\"5f9fvz\" data-start=\"2553\" data-end=\"2593\"\u003eGeneral Pump EZ4040G pump applications\u003c\/li\u003e\n\u003cli data-section-id=\"pa5scz\" data-start=\"2594\" data-end=\"2627\"\u003e1-inch horizontal engine shafts\u003c\/li\u003e\n\u003cli data-section-id=\"aku40d\" data-start=\"2628\" data-end=\"2651\"\u003eEngines up to 14.5 HP\u003c\/li\u003e\n\u003cli data-section-id=\"1ftw8hk\" data-start=\"2652\" data-end=\"2681\"\u003eCommercial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"l9cydf\" data-start=\"2682\" data-end=\"2711\"\u003eIndustrial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"13k1ebu\" data-start=\"2712\" data-end=\"2747\"\u003eMobile pressure washing equipment\u003c\/li\u003e\n\u003cli data-section-id=\"adpgr0\" data-start=\"2748\" data-end=\"2791\"\u003eEquipment repair and replacement projects\u003c\/li\u003e\n\u003cli data-section-id=\"mt98dm\" data-start=\"2792\" data-end=\"2821\"\u003eOEM equipment installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2823\" data-end=\"2940\"\u003eAlways verify shaft size, engine horsepower, mounting dimensions, and pressure\/flow requirements before installation.\u003c\/p\u003e\n\u003chr data-start=\"2942\" data-end=\"2945\"\u003e\n\u003ch1 data-section-id=\"iec79w\" data-start=\"2947\" data-end=\"2989\"\u003eFunction of the Pump Made Ready Assembly\u003c\/h1\u003e\n\u003cp data-start=\"2991\" data-end=\"3033\"\u003eThe PMR EZ4040G-VRT3-310EZ assembly helps:\u003c\/p\u003e\n\u003cul data-start=\"3035\" data-end=\"3403\"\u003e\n\u003cli data-section-id=\"h7xkh9\" data-start=\"3035\" data-end=\"3072\"\u003eDeliver up to 4.0 GPM of water flow\u003c\/li\u003e\n\u003cli data-section-id=\"el5xut\" data-start=\"3073\" data-end=\"3118\"\u003eProduce operating pressures up to 4,000 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"bsxab1\" data-start=\"3119\" data-end=\"3188\"\u003eRegulate system pressure through the integrated VRT3-310EZ unloader\u003c\/li\u003e\n\u003cli data-section-id=\"1b43yma\" data-start=\"3189\" data-end=\"3251\"\u003eProtect the pump during bypass with the thermal relief valve\u003c\/li\u003e\n\u003cli data-section-id=\"x8q1ft\" data-start=\"3252\" data-end=\"3313\"\u003eReduce installation time with a factory-configured assembly\u003c\/li\u003e\n\u003cli data-section-id=\"1x9kk7g\" data-start=\"3314\" data-end=\"3403\"\u003eProvide reliable, high-performance cleaning for demanding pressure washing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3405\" data-end=\"3546\"\u003eThe integrated thermal relief valve helps prevent excessive heat buildup by automatically discharging overheated bypass water when necessary.\u003c\/p\u003e\n\u003chr data-start=\"3548\" data-end=\"3551\"\u003e\n\u003ch1 data-section-id=\"mqxmo4\" data-start=\"3553\" data-end=\"3589\"\u003eCommon Signs Replacement Is Needed\u003c\/h1\u003e\n\u003cp data-start=\"3591\" data-end=\"3631\"\u003eReplace the pump assembly if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3633\" data-end=\"3870\"\u003e\n\u003cli data-section-id=\"18j1344\" data-start=\"3633\" data-end=\"3657\"\u003eLow operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"oo0ju3\" data-start=\"3658\" data-end=\"3678\"\u003eReduced water flow\u003c\/li\u003e\n\u003cli data-section-id=\"1kx3bv3\" data-start=\"3679\" data-end=\"3701\"\u003eExcessive pump noise\u003c\/li\u003e\n\u003cli data-section-id=\"1szu82v\" data-start=\"3702\" data-end=\"3731\"\u003eExternal water or oil leaks\u003c\/li\u003e\n\u003cli data-section-id=\"l690na\" data-start=\"3732\" data-end=\"3750\"\u003ePump overheating\u003c\/li\u003e\n\u003cli data-section-id=\"y3su5m\" data-start=\"3751\" data-end=\"3775\"\u003eUnloader valve failure\u003c\/li\u003e\n\u003cli data-section-id=\"1g2txwa\" data-start=\"3776\" data-end=\"3809\"\u003eCracked or damaged pump housing\u003c\/li\u003e\n\u003cli data-section-id=\"16xn7rj\" data-start=\"3810\" data-end=\"3835\"\u003eExcessive internal wear\u003c\/li\u003e\n\u003cli data-section-id=\"5dv9w8\" data-start=\"3836\" data-end=\"3870\"\u003eThermal relief valve malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3872\" data-end=\"4002\"\u003eReplacing the complete pump assembly restores pressure washer performance while minimizing installation time and service downtime.\u003c\/p\u003e\n\u003chr data-start=\"4004\" data-end=\"4007\"\u003e\n\u003ch1 data-section-id=\"1547z5u\" data-start=\"4009\" data-end=\"4039\"\u003eInstallation \u0026amp; Service Notes\u003c\/h1\u003e\n\u003cul data-start=\"4041\" data-end=\"4560\"\u003e\n\u003cli data-section-id=\"iv93qe\" data-start=\"4041\" data-end=\"4105\"\u003eShut down the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"1r2lyqw\" data-start=\"4106\" data-end=\"4191\"\u003eVerify compatibility with the engine shaft, horsepower, and mounting configuration.\u003c\/li\u003e\n\u003cli data-section-id=\"12vr5ek\" data-start=\"4192\" data-end=\"4274\"\u003eInstall the pump onto the engine according to the manufacturer's specifications.\u003c\/li\u003e\n\u003cli data-section-id=\"rxp1cv\" data-start=\"4275\" data-end=\"4346\"\u003eConnect the water inlet, high-pressure outlet, and required plumbing.\u003c\/li\u003e\n\u003cli data-section-id=\"1actjch\" data-start=\"4347\" data-end=\"4428\"\u003eVerify the VRT3-310EZ unloader and thermal relief valve are properly installed.\u003c\/li\u003e\n\u003cli data-section-id=\"z9jstr\" data-start=\"4429\" data-end=\"4472\"\u003ePrime the pump with water before startup.\u003c\/li\u003e\n\u003cli data-section-id=\"oumvsh\" data-start=\"4473\" data-end=\"4560\"\u003eInspect the system for leaks and verify proper operating pressure after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4562\" data-end=\"4751\"\u003e\u003cstrong data-start=\"4562\" data-end=\"4576\"\u003eImportant:\u003c\/strong\u003e Never operate the pump without an adequate water supply. Running the pump dry or allowing extended bypass operation without proper cooling can significantly reduce pump life.\u003c\/p\u003e\n\u003chr data-start=\"4753\" data-end=\"4756\"\u003e\n\u003ch1 data-section-id=\"16tfrdt\" data-start=\"4758\" data-end=\"4787\"\u003eMaintenance Recommendations\u003c\/h1\u003e\n\u003cul data-start=\"4789\" data-end=\"5284\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"869zyl\" data-start=\"4789\" data-end=\"4857\"\u003eInspect the pump regularly for leaks and abnormal operating noise.\u003c\/li\u003e\n\u003cli data-section-id=\"1dogkyg\" data-start=\"4858\" data-end=\"4947\"\u003eCheck pump oil level and service according to General Pump maintenance recommendations.\u003c\/li\u003e\n\u003cli data-section-id=\"h1xe1r\" data-start=\"4948\" data-end=\"5007\"\u003eVerify proper operation of the VRT3-310EZ unloader valve.\u003c\/li\u003e\n\u003cli data-section-id=\"53vxmw\" data-start=\"5008\" data-end=\"5077\"\u003eInspect the thermal relief valve periodically for proper operation.\u003c\/li\u003e\n\u003cli data-section-id=\"r6dpad\" data-start=\"5078\" data-end=\"5145\"\u003eFlush the system after use when pumping dirty or corrosive water.\u003c\/li\u003e\n\u003cli data-section-id=\"14ywdm4\" data-start=\"5146\" data-end=\"5284\" data-is-last-node=\"\"\u003eUse only genuine OEM General Pump replacement parts and accessories to maintain maximum performance, reliability, and long service 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":"General Pump","offers":[{"title":"Default Title","offer_id":53441629847915,"sku":null,"price":530.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/EZ4040G-VRT3-310EZ.webp?v=1782831419","url":"https:\/\/generalsprayers.com\/products\/general-pump-pmr-ez4040g-vrt3-310ez-pump-made-ready-with-thermal-relief-4-0-gpm-4000-psi","provider":"GeneralSprayers","version":"1.0","type":"link"}