{"product_id":"k5-2e-pressure-washer-unloader-valve-4-2-6-6-gpm-1450-3000-psi-oem-replacement-part","title":"K5.2E Pressure Washer Unloader Valve 4.2–6.6 GPM 1450–3000 PSI – OEM Replacement Part","description":"\u003cp data-start=\"0\" data-end=\"171\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 1725\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 K5.2E Pressure Washer Unloader Valve\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"173\" data-end=\"176\"\u003e\n\u003cp data-start=\"273\" data-end=\"760\"\u003eThe \u003cstrong data-start=\"277\" data-end=\"343\"\u003eGeneral Pump K5.2E Pressure Washer Unloader Valve (Part #1725)\u003c\/strong\u003e is a genuine OEM replacement \u003cstrong data-start=\"373\" data-end=\"405\"\u003eflow-actuated unloader valve\u003c\/strong\u003e engineered for commercial and industrial pressure washer systems operating between \u003cstrong data-start=\"489\" data-end=\"508\"\u003e4.2 and 6.6 GPM\u003c\/strong\u003e with adjustable pressures from \u003cstrong data-start=\"540\" data-end=\"562\"\u003e1,450 to 3,000 PSI\u003c\/strong\u003e. Manufactured by \u003cstrong data-start=\"580\" data-end=\"596\"\u003eGeneral Pump\u003c\/strong\u003e, the K5.2E utilizes a balanced piston design that delivers smooth pressure regulation while protecting pumps and system components from excessive pressure buildup.\u003c\/p\u003e\n\u003chr data-start=\"1535\" data-end=\"1538\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1540\" data-end=\"1566\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1568\" data-end=\"2141\"\u003e\n\u003cli data-section-id=\"1yufexy\" data-start=\"1568\" data-end=\"1621\"\u003eGenuine General Pump OEM replacement unloader valve\u003c\/li\u003e\n\u003cli data-section-id=\"1f1fr4f\" data-start=\"1622\" data-end=\"1660\"\u003eFlow-actuated balanced piston design\u003c\/li\u003e\n\u003cli data-section-id=\"b0lena\" data-start=\"1661\" data-end=\"1715\"\u003eDesigned for \u003cstrong data-start=\"1676\" data-end=\"1691\"\u003e4.2–6.6 GPM\u003c\/strong\u003e pressure washer systems\u003c\/li\u003e\n\u003cli data-section-id=\"109tiax\" data-start=\"1716\" data-end=\"1768\"\u003eAdjustable pressure range from \u003cstrong data-start=\"1749\" data-end=\"1768\"\u003e1,450–3,000 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nh49g\" data-start=\"1769\" data-end=\"1814\"\u003eMaximum operating pressure of \u003cstrong data-start=\"1801\" data-end=\"1814\"\u003e3,000 PSI\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cxqw79\" data-start=\"1815\" data-end=\"1867\"\u003eBalanced nozzle technology reduces pressure spikes\u003c\/li\u003e\n\u003cli data-section-id=\"klevii\" data-start=\"1868\" data-end=\"1915\"\u003eStainless steel and brass internal components\u003c\/li\u003e\n\u003cli data-section-id=\"huu8c4\" data-start=\"1916\" data-end=\"1969\"\u003eDual gauge ports for convenient pressure monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"1b5xif7\" data-start=\"1970\" data-end=\"2024\"\u003eSmooth transition between operating and bypass modes\u003c\/li\u003e\n\u003cli data-section-id=\"1sa1x6w\" data-start=\"2025\" data-end=\"2058\"\u003eHelps extend pump and hose life\u003c\/li\u003e\n\u003cli data-section-id=\"c41hd8\" data-start=\"2059\" data-end=\"2107\"\u003eDurable commercial and industrial construction\u003c\/li\u003e\n\u003cli data-section-id=\"3iwt53\" data-start=\"2108\" data-end=\"2141\"\u003eOEM-quality fit and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2143\" data-end=\"2146\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"2148\" data-end=\"2175\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"2177\" data-end=\"2198\"\u003e\u003cstrong data-start=\"2177\" data-end=\"2193\"\u003ePart Number:\u003c\/strong\u003e 1725\u003c\/p\u003e\n\u003cp data-start=\"2200\" data-end=\"2230\"\u003e\u003cstrong data-start=\"2200\" data-end=\"2217\"\u003eManufacturer:\u003c\/strong\u003e General Pump\u003c\/p\u003e\n\u003cp data-start=\"2232\" data-end=\"2248\"\u003e\u003cstrong data-start=\"2232\" data-end=\"2242\"\u003eModel:\u003c\/strong\u003e K5.2E\u003c\/p\u003e\n\u003cp data-start=\"2250\" data-end=\"2296\"\u003e\u003cstrong data-start=\"2250\" data-end=\"2267\"\u003eProduct Type:\u003c\/strong\u003e Flow Actuated Unloader Valve\u003c\/p\u003e\n\u003cp data-start=\"2298\" data-end=\"2325\"\u003e\u003cstrong data-start=\"2298\" data-end=\"2313\"\u003eFlow Range:\u003c\/strong\u003e 4.2–6.6 GPM\u003c\/p\u003e\n\u003cp data-start=\"2327\" data-end=\"2361\"\u003e\u003cstrong data-start=\"2327\" data-end=\"2353\"\u003eMaximum Flow Capacity:\u003c\/strong\u003e 6.6 GPM\u003c\/p\u003e\n\u003cp data-start=\"2363\" data-end=\"2409\"\u003e\u003cstrong data-start=\"2363\" data-end=\"2393\"\u003ePressure Adjustment Range:\u003c\/strong\u003e 1,450–3,000 PSI\u003c\/p\u003e\n\u003cp data-start=\"2411\" data-end=\"2442\"\u003e\u003cstrong data-start=\"2411\" data-end=\"2432\"\u003eMaximum Pressure:\u003c\/strong\u003e 3,000 PSI\u003c\/p\u003e\n\u003cp data-start=\"2444\" data-end=\"2474\"\u003e\u003cstrong data-start=\"2444\" data-end=\"2468\"\u003eMaximum Temperature:\u003c\/strong\u003e 195°F\u003c\/p\u003e\n\u003cp data-start=\"2476\" data-end=\"2508\"\u003e\u003cstrong data-start=\"2476\" data-end=\"2497\"\u003eInlet Connection:\u003c\/strong\u003e 3\/8\" BSP-F\u003c\/p\u003e\n\u003cp data-start=\"2510\" data-end=\"2543\"\u003e\u003cstrong data-start=\"2510\" data-end=\"2532\"\u003eOutlet Connection:\u003c\/strong\u003e 3\/8\" BSP-M\u003c\/p\u003e\n\u003cp data-start=\"2545\" data-end=\"2578\"\u003e\u003cstrong data-start=\"2545\" data-end=\"2567\"\u003eBypass Connection:\u003c\/strong\u003e 3\/4\" BSP-M\u003c\/p\u003e\n\u003cp data-start=\"2580\" data-end=\"2601\"\u003e\u003cstrong data-start=\"2580\" data-end=\"2596\"\u003eGauge Ports:\u003c\/strong\u003e Dual\u003c\/p\u003e\n\u003cp data-start=\"2603\" data-end=\"2636\"\u003e\u003cstrong data-start=\"2603\" data-end=\"2622\"\u003eOperation Type:\u003c\/strong\u003e Flow Actuated\u003c\/p\u003e\n\u003cp data-start=\"2638\" data-end=\"2662\"\u003e\u003cstrong data-start=\"2638\" data-end=\"2658\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2664\" data-end=\"2667\"\u003e\n\u003ch2 data-section-id=\"pw475l\" data-start=\"2669\" data-end=\"2691\"\u003eHow the K5.2E Works\u003c\/h2\u003e\n\u003cp data-start=\"2693\" data-end=\"2771\"\u003eThe K5.2E regulates pressure using a balanced piston and flow-actuated design.\u003c\/p\u003e\n\u003cp data-start=\"2773\" data-end=\"2800\"\u003eWhen the spray gun is open:\u003c\/p\u003e\n\u003cul data-start=\"2802\" data-end=\"2960\"\u003e\n\u003cli data-section-id=\"17gvr3w\" data-start=\"2802\" data-end=\"2846\"\u003eWater flows normally through the unloader.\u003c\/li\u003e\n\u003cli data-section-id=\"9te9qv\" data-start=\"2847\" data-end=\"2903\"\u003eThe balanced piston remains in the operating position.\u003c\/li\u003e\n\u003cli data-section-id=\"1jn42q0\" data-start=\"2904\" data-end=\"2960\"\u003eFull system pressure is delivered to the spray nozzle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2962\" data-end=\"2991\"\u003eWhen the spray gun is closed:\u003c\/p\u003e\n\u003cul data-start=\"2993\" data-end=\"3219\"\u003e\n\u003cli data-section-id=\"1hewgq2\" data-start=\"2993\" data-end=\"3012\"\u003eWater flow stops.\u003c\/li\u003e\n\u003cli data-section-id=\"in7h15\" data-start=\"3013\" data-end=\"3065\"\u003ePressure rises downstream of the internal orifice.\u003c\/li\u003e\n\u003cli data-section-id=\"1udtpx2\" data-start=\"3066\" data-end=\"3100\"\u003eThe piston automatically shifts.\u003c\/li\u003e\n\u003cli data-section-id=\"5s9xd\" data-start=\"3101\" data-end=\"3145\"\u003eWater is diverted through the bypass port.\u003c\/li\u003e\n\u003cli data-section-id=\"vqpspc\" data-start=\"3146\" data-end=\"3219\"\u003ePressure spikes are minimized, protecting the pump and plumbing system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3221\" data-end=\"3355\"\u003eThis balanced design provides smoother operation than many conventional unloaders while reducing stress on pressure washer components.\u003c\/p\u003e\n\u003chr data-start=\"3357\" data-end=\"3360\"\u003e\n\u003ch2 data-section-id=\"vx2wyp\" data-start=\"3362\" data-end=\"3384\"\u003eCommon Applications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1m7fljq\" data-start=\"3386\" data-end=\"3417\"\u003eCommercial Pressure Washers\u003c\/h3\u003e\n\u003cp data-start=\"3419\" data-end=\"3429\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"3431\" data-end=\"3569\"\u003e\n\u003cli data-section-id=\"1mppnl2\" data-start=\"3431\" data-end=\"3465\"\u003eMobile pressure washing trailers\u003c\/li\u003e\n\u003cli data-section-id=\"17a9h0z\" data-start=\"3466\" data-end=\"3501\"\u003eContractor-grade pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1hb3h7x\" data-start=\"3502\" data-end=\"3525\"\u003eFleet washing systems\u003c\/li\u003e\n\u003cli data-section-id=\"1hcbv4i\" data-start=\"3526\" data-end=\"3548\"\u003eProperty maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"9ezizr\" data-start=\"3549\" data-end=\"3569\"\u003eEquipment cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"m9dt0u\" data-start=\"3571\" data-end=\"3604\"\u003eIndustrial Cleaning Equipment\u003c\/h3\u003e\n\u003cp data-start=\"3606\" data-end=\"3619\"\u003eSuitable for:\u003c\/p\u003e\n\u003cul data-start=\"3621\" data-end=\"3771\"\u003e\n\u003cli data-section-id=\"1i0u86j\" data-start=\"3621\" data-end=\"3647\"\u003eManufacturing facilities\u003c\/li\u003e\n\u003cli data-section-id=\"9bm7jy\" data-start=\"3648\" data-end=\"3681\"\u003eAgricultural equipment cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"1q52hyj\" data-start=\"3682\" data-end=\"3708\"\u003eIndustrial wash stations\u003c\/li\u003e\n\u003cli data-section-id=\"10tc7t6\" data-start=\"3709\" data-end=\"3744\"\u003eMunicipal maintenance departments\u003c\/li\u003e\n\u003cli data-section-id=\"167zffo\" data-start=\"3745\" data-end=\"3771\"\u003eHeavy equipment cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1m4yfbj\" data-start=\"3773\" data-end=\"3800\"\u003ePressure Washer Systems\u003c\/h3\u003e\n\u003cp data-start=\"3802\" data-end=\"3818\"\u003eCompatible with:\u003c\/p\u003e\n\u003cul data-start=\"3820\" data-end=\"3983\"\u003e\n\u003cli data-section-id=\"e1w54q\" data-start=\"3820\" data-end=\"3849\"\u003eBelt-drive pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1d973ig\" data-start=\"3850\" data-end=\"3881\"\u003eDirect-drive pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"g7mqf6\" data-start=\"3882\" data-end=\"3910\"\u003eHot water pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1l5zndh\" data-start=\"3911\" data-end=\"3940\"\u003eCold water pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1quhva5\" data-start=\"3941\" data-end=\"3983\"\u003eCustom commercial pressure washer builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3985\" data-end=\"3988\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"3990\" data-end=\"4013\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul data-start=\"4015\" data-end=\"4239\"\u003e\n\u003cli data-section-id=\"13mgugy\" data-start=\"4015\" data-end=\"4044\"\u003ePrecise pressure regulation\u003c\/li\u003e\n\u003cli data-section-id=\"1nzrik5\" data-start=\"4045\" data-end=\"4070\"\u003eSmooth bypass operation\u003c\/li\u003e\n\u003cli data-section-id=\"1ero2xq\" data-start=\"4071\" data-end=\"4096\"\u003eReduced pressure spikes\u003c\/li\u003e\n\u003cli data-section-id=\"1bb2u3x\" data-start=\"4097\" data-end=\"4123\"\u003eImproved pump protection\u003c\/li\u003e\n\u003cli data-section-id=\"1gpagnp\" data-start=\"4124\" data-end=\"4157\"\u003eConsistent cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"1kjg8fj\" data-start=\"4158\" data-end=\"4187\"\u003eExtended equipment lifespan\u003c\/li\u003e\n\u003cli data-section-id=\"2ks8i6\" data-start=\"4188\" data-end=\"4213\"\u003eLower maintenance costs\u003c\/li\u003e\n\u003cli data-section-id=\"1n877ue\" data-start=\"4214\" data-end=\"4239\"\u003eReliable OEM durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4241\" data-end=\"4244\"\u003e\n\u003ch2 data-section-id=\"x2tt67\" data-start=\"4246\" data-end=\"4290\"\u003eSigns an Unloader Valve Needs Replacement\u003c\/h2\u003e\n\u003cp data-start=\"4292\" data-end=\"4338\"\u003eInspect or replace the unloader if you notice:\u003c\/p\u003e\n\u003cul data-start=\"4340\" data-end=\"4541\"\u003e\n\u003cli data-section-id=\"zta6im\" data-start=\"4340\" data-end=\"4363\"\u003ePressure fluctuations\u003c\/li\u003e\n\u003cli data-section-id=\"irubn0\" data-start=\"4364\" data-end=\"4391\"\u003eReduced cleaning pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1g7kb8v\" data-start=\"4392\" data-end=\"4424\"\u003eWater leakage around the valve\u003c\/li\u003e\n\u003cli data-section-id=\"op63ib\" data-start=\"4425\" data-end=\"4456\"\u003eDifficulty adjusting pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1vz4ts\" data-start=\"4457\" data-end=\"4488\"\u003eInconsistent bypass operation\u003c\/li\u003e\n\u003cli data-section-id=\"1n6rxvr\" data-start=\"4489\" data-end=\"4515\"\u003eDelayed trigger response\u003c\/li\u003e\n\u003cli data-section-id=\"16xn7rj\" data-start=\"4516\" data-end=\"4541\"\u003eExcessive internal wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4543\" data-end=\"4546\"\u003e\n\u003ch2 data-section-id=\"16dprsq\" data-start=\"4548\" data-end=\"4569\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003col data-start=\"4571\" data-end=\"5023\"\u003e\n\u003cli data-section-id=\"oso8v3\" data-start=\"4571\" data-end=\"4645\"\u003eVerify compatibility with your system's flow and pressure requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"g43vau\" data-start=\"4646\" data-end=\"4711\"\u003eInstall using the appropriate BSP fittings and thread sealant.\u003c\/li\u003e\n\u003cli data-section-id=\"1q33z2i\" data-start=\"4712\" data-end=\"4808\"\u003eConnect the inlet, outlet, and bypass ports according to the pressure washer plumbing layout.\u003c\/li\u003e\n\u003cli data-section-id=\"eiytn6\" data-start=\"4809\" data-end=\"4895\"\u003eInstall a pressure gauge using one of the dual gauge ports for accurate adjustment.\u003c\/li\u003e\n\u003cli data-section-id=\"lnumsj\" data-start=\"4896\" data-end=\"4960\"\u003eSet the operating pressure using a calibrated pressure gauge.\u003c\/li\u003e\n\u003cli data-section-id=\"fp39ip\" data-start=\"4961\" data-end=\"5023\"\u003eMaintain a \u003cstrong data-start=\"4975\" data-end=\"5001\"\u003eminimum 5% bypass flow\u003c\/strong\u003e for proper operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"5025\" data-end=\"5221\"\u003e\u003cstrong data-start=\"5025\" data-end=\"5039\"\u003eImportant:\u003c\/strong\u003e Ensure all pressure washer components—including pumps, hoses, spray guns, fittings, and nozzles—are rated for the intended operating pressure before placing the system into service.\u003c\/p\u003e\n\u003chr data-start=\"5223\" data-end=\"5226\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"5228\" data-end=\"5258\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"5260\" data-end=\"5585\"\u003e\n\u003cli data-section-id=\"vakiz1\" data-start=\"5260\" data-end=\"5312\"\u003eInspect the unloader regularly for leaks and wear.\u003c\/li\u003e\n\u003cli data-section-id=\"1bk99f5\" data-start=\"5313\" data-end=\"5367\"\u003eVerify pressure settings during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"q3d7yn\" data-start=\"5368\" data-end=\"5404\"\u003eKeep inlet water filtration clean.\u003c\/li\u003e\n\u003cli data-section-id=\"1vqtz4t\" data-start=\"5405\" data-end=\"5452\"\u003eMaintain the recommended minimum bypass flow.\u003c\/li\u003e\n\u003cli data-section-id=\"1fv3cus\" data-start=\"5453\" data-end=\"5528\"\u003eReplace worn seals and internal components using genuine OEM repair kits.\u003c\/li\u003e\n\u003cli data-section-id=\"14cgjbx\" data-start=\"5529\" data-end=\"5585\"\u003eFollow General Pump recommended maintenance intervals.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Pump","offers":[{"title":"Default Title","offer_id":53433236652395,"sku":null,"price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/general-pump-logo_c47181cf-c79c-4981-8fd3-ffac6b7f8b8f.png?v=1782698358","url":"https:\/\/generalsprayers.com\/products\/k5-2e-pressure-washer-unloader-valve-4-2-6-6-gpm-1450-3000-psi-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}