{"product_id":"k3-0e-pressure-washer-unloader-valve-2-1-3-0-gpm-400-1450-psi-oem-replacement-part","title":"K3.0E Pressure Washer Unloader Valve 2.1–3.0 GPM 400–1450 PSI – OEM Replacement Part","description":"\u003cdiv class=\"\" data-turn-id-container=\"53c402d6-dc1a-4f23-8ccf-49f647455acb\" 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=\"53c402d6-dc1a-4f23-8ccf-49f647455acb\" data-turn-id-container=\"53c402d6-dc1a-4f23-8ccf-49f647455acb\" data-testid=\"conversation-turn-585\" 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-42\" 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-42\" data-turn-id-container=\"request-6a35562f-a1fc-83ea-bfdd-f10b85f84e9a-42\" data-testid=\"conversation-turn-586\" 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=\"43ab057f-0199-4498-a646-196f0274df7f\" 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=\"171\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 2347\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Unloader Valves → Flow Actuated Unloader Valves\u003cbr data-start=\"109\" data-end=\"112\"\u003e\u003cstrong data-start=\"112\" data-end=\"121\"\u003eType:\u003c\/strong\u003e General Pump K3.0E Pressure Washer Unloader Valve\u003c\/p\u003e\n\u003chr data-start=\"173\" data-end=\"176\"\u003e\n\u003cp data-start=\"272\" data-end=\"720\"\u003eThe \u003cstrong data-start=\"276\" data-end=\"342\"\u003eGeneral Pump K3.0E Pressure Washer Unloader Valve (Part #2347)\u003c\/strong\u003e is a genuine OEM replacement \u003cstrong data-start=\"372\" data-end=\"404\"\u003eflow-actuated unloader valve\u003c\/strong\u003e designed for pressure washer systems operating between \u003cstrong data-start=\"460\" data-end=\"479\"\u003e2.1 and 3.0 GPM\u003c\/strong\u003e with adjustable pressures from \u003cstrong data-start=\"511\" data-end=\"531\"\u003e400 to 1,450 PSI\u003c\/strong\u003e. Manufactured by \u003cstrong data-start=\"549\" data-end=\"565\"\u003eGeneral Pump\u003c\/strong\u003e, the K3.0E provides reliable pressure regulation and smooth bypass operation while protecting pumps and system components from excessive pressure buildup.\u003c\/p\u003e\n\u003chr data-start=\"1459\" data-end=\"1462\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1464\" data-end=\"1490\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1492\" data-end=\"2045\"\u003e\n\u003cli data-section-id=\"1yufexy\" data-start=\"1492\" data-end=\"1545\"\u003eGenuine General Pump OEM replacement unloader valve\u003c\/li\u003e\n\u003cli data-section-id=\"1f1fr4f\" data-start=\"1546\" data-end=\"1584\"\u003eFlow-actuated balanced piston design\u003c\/li\u003e\n\u003cli data-section-id=\"1qhftuo\" data-start=\"1585\" data-end=\"1639\"\u003eDesigned for \u003cstrong data-start=\"1600\" data-end=\"1615\"\u003e2.1–3.0 GPM\u003c\/strong\u003e pressure washer systems\u003c\/li\u003e\n\u003cli data-section-id=\"1eswghe\" data-start=\"1640\" data-end=\"1690\"\u003eAdjustable pressure range from \u003cstrong data-start=\"1673\" data-end=\"1690\"\u003e400–1,450 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2xo3uf\" data-start=\"1691\" data-end=\"1736\"\u003eMaximum operating pressure of \u003cstrong data-start=\"1723\" data-end=\"1736\"\u003e1,450 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cpvixd\" data-start=\"1737\" data-end=\"1785\"\u003eBalanced nozzle design reduces pressure spikes\u003c\/li\u003e\n\u003cli data-section-id=\"1056987\" data-start=\"1786\" data-end=\"1836\"\u003eSmooth transition between spray and bypass modes\u003c\/li\u003e\n\u003cli data-section-id=\"klevii\" data-start=\"1837\" data-end=\"1884\"\u003eStainless steel and brass internal components\u003c\/li\u003e\n\u003cli data-section-id=\"an1cj\" data-start=\"1885\" data-end=\"1932\"\u003eDual gauge ports for easy pressure monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"dvslg6\" data-start=\"1933\" data-end=\"1971\"\u003eHelps extend pump and component life\u003c\/li\u003e\n\u003cli data-section-id=\"7dzq54\" data-start=\"1972\" data-end=\"2011\"\u003eDurable commercial-grade construction\u003c\/li\u003e\n\u003cli data-section-id=\"3iwt53\" data-start=\"2012\" data-end=\"2045\"\u003eOEM-quality fit and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2047\" data-end=\"2050\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"2052\" data-end=\"2079\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"2081\" data-end=\"2102\"\u003e\u003cstrong data-start=\"2081\" data-end=\"2097\"\u003ePart Number:\u003c\/strong\u003e 2347\u003c\/p\u003e\n\u003cp data-start=\"2104\" data-end=\"2134\"\u003e\u003cstrong data-start=\"2104\" data-end=\"2121\"\u003eManufacturer:\u003c\/strong\u003e General Pump\u003c\/p\u003e\n\u003cp data-start=\"2136\" data-end=\"2152\"\u003e\u003cstrong data-start=\"2136\" data-end=\"2146\"\u003eModel:\u003c\/strong\u003e K3.0E\u003c\/p\u003e\n\u003cp data-start=\"2154\" data-end=\"2200\"\u003e\u003cstrong data-start=\"2154\" data-end=\"2171\"\u003eProduct Type:\u003c\/strong\u003e Flow Actuated Unloader Valve\u003c\/p\u003e\n\u003cp data-start=\"2202\" data-end=\"2229\"\u003e\u003cstrong data-start=\"2202\" data-end=\"2217\"\u003eFlow Range:\u003c\/strong\u003e 2.1–3.0 GPM\u003c\/p\u003e\n\u003cp data-start=\"2231\" data-end=\"2275\"\u003e\u003cstrong data-start=\"2231\" data-end=\"2261\"\u003ePressure Adjustment Range:\u003c\/strong\u003e 400–1,450 PSI\u003c\/p\u003e\n\u003cp data-start=\"2277\" data-end=\"2308\"\u003e\u003cstrong data-start=\"2277\" data-end=\"2298\"\u003eMaximum Pressure:\u003c\/strong\u003e 1,450 PSI\u003c\/p\u003e\n\u003cp data-start=\"2310\" data-end=\"2340\"\u003e\u003cstrong data-start=\"2310\" data-end=\"2334\"\u003eMaximum Temperature:\u003c\/strong\u003e 195°F\u003c\/p\u003e\n\u003cp data-start=\"2342\" data-end=\"2374\"\u003e\u003cstrong data-start=\"2342\" data-end=\"2363\"\u003eInlet Connection:\u003c\/strong\u003e 3\/8\" BSP-F\u003c\/p\u003e\n\u003cp data-start=\"2376\" data-end=\"2409\"\u003e\u003cstrong data-start=\"2376\" data-end=\"2398\"\u003eOutlet Connection:\u003c\/strong\u003e 3\/8\" BSP-M\u003c\/p\u003e\n\u003cp data-start=\"2411\" data-end=\"2444\"\u003e\u003cstrong data-start=\"2411\" data-end=\"2433\"\u003eBypass Connection:\u003c\/strong\u003e 3\/4\" BSP-M\u003c\/p\u003e\n\u003cp data-start=\"2446\" data-end=\"2479\"\u003e\u003cstrong data-start=\"2446\" data-end=\"2465\"\u003eOperation Type:\u003c\/strong\u003e Flow Actuated\u003c\/p\u003e\n\u003cp data-start=\"2481\" data-end=\"2502\"\u003e\u003cstrong data-start=\"2481\" data-end=\"2497\"\u003eGauge Ports:\u003c\/strong\u003e Dual\u003c\/p\u003e\n\u003cp data-start=\"2504\" data-end=\"2528\"\u003e\u003cstrong data-start=\"2504\" data-end=\"2524\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2530\" data-end=\"2533\"\u003e\n\u003ch2 data-section-id=\"9hqjlp\" data-start=\"2535\" data-end=\"2557\"\u003eHow the K3.0E Works\u003c\/h2\u003e\n\u003cp data-start=\"2559\" data-end=\"2634\"\u003eThe K3.0E uses a flow-actuated balanced piston design to regulate pressure.\u003c\/p\u003e\n\u003cp data-start=\"2636\" data-end=\"2663\"\u003eWhen the spray gun is open:\u003c\/p\u003e\n\u003cul data-start=\"2665\" data-end=\"2811\"\u003e\n\u003cli data-section-id=\"18w47a6\" data-start=\"2665\" data-end=\"2706\"\u003eWater flows normally through the valve.\u003c\/li\u003e\n\u003cli data-section-id=\"1y1trg5\" data-start=\"2707\" data-end=\"2754\"\u003eThe piston remains in the operating position.\u003c\/li\u003e\n\u003cli data-section-id=\"1jn42q0\" data-start=\"2755\" data-end=\"2811\"\u003eFull system pressure is delivered to the spray nozzle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2813\" data-end=\"2842\"\u003eWhen the spray gun is closed:\u003c\/p\u003e\n\u003cul data-start=\"2844\" data-end=\"3072\"\u003e\n\u003cli data-section-id=\"1hewgq2\" data-start=\"2844\" data-end=\"2863\"\u003eWater flow stops.\u003c\/li\u003e\n\u003cli data-section-id=\"in7h15\" data-start=\"2864\" data-end=\"2916\"\u003ePressure rises downstream of the internal orifice.\u003c\/li\u003e\n\u003cli data-section-id=\"46fur8\" data-start=\"2917\" data-end=\"2960\"\u003eThe balanced piston shifts automatically.\u003c\/li\u003e\n\u003cli data-section-id=\"5s9xd\" data-start=\"2961\" data-end=\"3005\"\u003eWater is diverted through the bypass port.\u003c\/li\u003e\n\u003cli data-section-id=\"1hwlwlx\" data-start=\"3006\" data-end=\"3072\"\u003ePressure spikes are minimized, protecting the pump and plumbing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3074\" data-end=\"3218\"\u003eThis balanced design provides smoother operation than many conventional unloader valves and reduces stress on the entire pressure washer system.\u003c\/p\u003e\n\u003chr data-start=\"3220\" data-end=\"3223\"\u003e\n\u003ch2 data-section-id=\"vx2wyp\" data-start=\"3225\" data-end=\"3247\"\u003eCommon Applications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1pflz4y\" data-start=\"3249\" data-end=\"3294\"\u003eResidential \u0026amp; Commercial Pressure Washers\u003c\/h3\u003e\n\u003cp data-start=\"3296\" data-end=\"3306\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"3308\" data-end=\"3452\"\u003e\n\u003cli data-section-id=\"xvja5y\" data-start=\"3308\" data-end=\"3338\"\u003eResidential pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1x2yeeq\" data-start=\"3339\" data-end=\"3373\"\u003ePortable pressure washer systems\u003c\/li\u003e\n\u003cli data-section-id=\"1bhmkg5\" data-start=\"3374\" data-end=\"3411\"\u003eLight commercial cleaning equipment\u003c\/li\u003e\n\u003cli data-section-id=\"d4mmu5\" data-start=\"3412\" data-end=\"3429\"\u003eVehicle washing\u003c\/li\u003e\n\u003cli data-section-id=\"1hcbv4i\" data-start=\"3430\" data-end=\"3452\"\u003eProperty maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"m9dt0u\" data-start=\"3454\" data-end=\"3487\"\u003eIndustrial Cleaning Equipment\u003c\/h3\u003e\n\u003cp data-start=\"3489\" data-end=\"3502\"\u003eSuitable for:\u003c\/p\u003e\n\u003cul data-start=\"3504\" data-end=\"3647\"\u003e\n\u003cli data-section-id=\"1hsbtdy\" data-start=\"3504\" data-end=\"3529\"\u003eEquipment wash stations\u003c\/li\u003e\n\u003cli data-section-id=\"64g5as\" data-start=\"3530\" data-end=\"3553\"\u003eAgricultural cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"5l5kua\" data-start=\"3554\" data-end=\"3579\"\u003eMaintenance departments\u003c\/li\u003e\n\u003cli data-section-id=\"9sbypv\" data-start=\"3580\" data-end=\"3615\"\u003eSmall industrial cleaning systems\u003c\/li\u003e\n\u003cli data-section-id=\"meedk1\" data-start=\"3616\" data-end=\"3647\"\u003eCustom pressure washer builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3649\" data-end=\"3652\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"3654\" data-end=\"3677\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul data-start=\"3679\" data-end=\"3908\"\u003e\n\u003cli data-section-id=\"85ksmx\" data-start=\"3679\" data-end=\"3708\"\u003ePrecise pressure adjustment\u003c\/li\u003e\n\u003cli data-section-id=\"1nzrik5\" data-start=\"3709\" data-end=\"3734\"\u003eSmooth bypass operation\u003c\/li\u003e\n\u003cli data-section-id=\"1ero2xq\" data-start=\"3735\" data-end=\"3760\"\u003eReduced pressure spikes\u003c\/li\u003e\n\u003cli data-section-id=\"1bb2u3x\" data-start=\"3761\" data-end=\"3787\"\u003eImproved pump protection\u003c\/li\u003e\n\u003cli data-section-id=\"1gpagnp\" data-start=\"3788\" data-end=\"3821\"\u003eConsistent cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"1kjg8fj\" data-start=\"3822\" data-end=\"3851\"\u003eExtended equipment lifespan\u003c\/li\u003e\n\u003cli data-section-id=\"2ks8i6\" data-start=\"3852\" data-end=\"3877\"\u003eLower maintenance costs\u003c\/li\u003e\n\u003cli data-section-id=\"j09sy4\" data-start=\"3878\" data-end=\"3908\"\u003eReliable long-term operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3910\" data-end=\"3913\"\u003e\n\u003ch2 data-section-id=\"x2tt67\" data-start=\"3915\" data-end=\"3959\"\u003eSigns an Unloader Valve Needs Replacement\u003c\/h2\u003e\n\u003cp data-start=\"3961\" data-end=\"4007\"\u003eInspect or replace the unloader if you notice:\u003c\/p\u003e\n\u003cul data-start=\"4009\" data-end=\"4210\"\u003e\n\u003cli data-section-id=\"zta6im\" data-start=\"4009\" data-end=\"4032\"\u003ePressure fluctuations\u003c\/li\u003e\n\u003cli data-section-id=\"irubn0\" data-start=\"4033\" data-end=\"4060\"\u003eReduced cleaning pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1g7kb8v\" data-start=\"4061\" data-end=\"4093\"\u003eWater leakage around the valve\u003c\/li\u003e\n\u003cli data-section-id=\"op63ib\" data-start=\"4094\" data-end=\"4125\"\u003eDifficulty adjusting pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1vz4ts\" data-start=\"4126\" data-end=\"4157\"\u003eInconsistent bypass operation\u003c\/li\u003e\n\u003cli data-section-id=\"1n6rxvr\" data-start=\"4158\" data-end=\"4184\"\u003eDelayed trigger response\u003c\/li\u003e\n\u003cli data-section-id=\"16xn7rj\" data-start=\"4185\" data-end=\"4210\"\u003eExcessive internal wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4212\" data-end=\"4215\"\u003e\n\u003ch2 data-section-id=\"16dprsq\" data-start=\"4217\" data-end=\"4238\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003col data-start=\"4240\" data-end=\"4681\"\u003e\n\u003cli data-section-id=\"oso8v3\" data-start=\"4240\" data-end=\"4314\"\u003eVerify compatibility with your system's flow and pressure requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"g43vau\" data-start=\"4315\" data-end=\"4380\"\u003eInstall using the appropriate BSP fittings and thread sealant.\u003c\/li\u003e\n\u003cli data-section-id=\"1rdpu5y\" data-start=\"4381\" data-end=\"4459\"\u003eConnect the inlet, outlet, and bypass ports according to the system layout.\u003c\/li\u003e\n\u003cli data-section-id=\"1xq3xri\" data-start=\"4460\" data-end=\"4541\"\u003eInstall a pressure gauge using one of the gauge ports for accurate adjustment.\u003c\/li\u003e\n\u003cli data-section-id=\"lnumsj\" data-start=\"4542\" data-end=\"4606\"\u003eSet the operating pressure using a calibrated pressure gauge.\u003c\/li\u003e\n\u003cli data-section-id=\"1y6b8nk\" data-start=\"4607\" data-end=\"4681\"\u003eEnsure a minimum \u003cstrong data-start=\"4627\" data-end=\"4645\"\u003e5% bypass flow\u003c\/strong\u003e is maintained for proper operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"4683\" data-end=\"4875\"\u003e\u003cstrong data-start=\"4683\" data-end=\"4697\"\u003eImportant:\u003c\/strong\u003e Verify that all pressure washer components—including pumps, hoses, spray guns, and fittings—are rated for the intended operating pressure before placing the system into service.\u003c\/p\u003e\n\u003chr data-start=\"4877\" data-end=\"4880\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4882\" data-end=\"4912\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4914\" data-end=\"5245\"\u003e\n\u003cli data-section-id=\"93hsy7\" data-start=\"4914\" data-end=\"4963\"\u003eInspect the valve regularly for leaks and wear.\u003c\/li\u003e\n\u003cli data-section-id=\"dwtr3i\" data-start=\"4964\" data-end=\"5020\"\u003eVerify pressure settings during scheduled maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"q3d7yn\" data-start=\"5021\" data-end=\"5057\"\u003eKeep inlet water filtration clean.\u003c\/li\u003e\n\u003cli data-section-id=\"1vqtz4t\" data-start=\"5058\" data-end=\"5105\"\u003eMaintain the recommended minimum bypass flow.\u003c\/li\u003e\n\u003cli data-section-id=\"juwpas\" data-start=\"5106\" data-end=\"5187\"\u003eReplace worn seals or internal components using the appropriate OEM repair kit.\u003c\/li\u003e\n\u003cli data-section-id=\"ffj22o\" data-start=\"5188\" data-end=\"5245\"\u003eFollow General Pump's recommended maintenance schedule.\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":53433173836139,"sku":null,"price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/2347_01_web_c4942279-f24e-4ea8-acb7-fd3519d811fe.webp?v=1782697161","url":"https:\/\/generalsprayers.com\/products\/k3-0e-pressure-washer-unloader-valve-2-1-3-0-gpm-400-1450-psi-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}