{"product_id":"pa-vb135kdm-pressure-washer-unloader-valve-6-5-gpm-2600-psi-oem-replacement-part","title":"PA VB135KDM Pressure Washer Unloader Valve 6.5 GPM 2600 PSI – OEM Replacement Part","description":"\u003cdiv class=\"\" data-turn-id-container=\"93f460d3-7625-4b41-92eb-85c51a4189ea\" 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=\"93f460d3-7625-4b41-92eb-85c51a4189ea\" data-turn-id-container=\"93f460d3-7625-4b41-92eb-85c51a4189ea\" data-testid=\"conversation-turn-475\" 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-3\" 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-3\" data-turn-id-container=\"request-6a35562f-a1fc-83ea-bfdd-f10b85f84e9a-3\" data-testid=\"conversation-turn-476\" 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=\"d7bc5fca-49be-4aad-a485-da5877d6ed69\" 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=\"161\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 3340\u003cbr data-start=\"21\" data-end=\"24\"\u003e\u003cstrong data-start=\"24\" data-end=\"37\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Unloader Valves → Pressure Washer Regulators\u003cbr data-start=\"106\" data-end=\"109\"\u003e\u003cstrong data-start=\"109\" data-end=\"118\"\u003eType:\u003c\/strong\u003e PA VB135KDM Pressure Washer Unloader Valve\u003c\/p\u003e\n\u003chr data-start=\"163\" data-end=\"166\"\u003e\n\u003cp data-start=\"260\" data-end=\"651\"\u003eThe \u003cstrong data-start=\"264\" data-end=\"323\"\u003ePA VB135KDM Pressure Washer Unloader Valve (Part #3340)\u003c\/strong\u003e is a genuine OEM replacement unloader designed to provide reliable pressure regulation and pump protection for commercial and light industrial pressure washer systems. Manufactured by \u003cstrong data-start=\"508\" data-end=\"525\"\u003ePA (P.A. SpA)\u003c\/strong\u003e, this compact and durable unloader is rated for up to \u003cstrong data-start=\"580\" data-end=\"593\"\u003e2,600 PSI\u003c\/strong\u003e, \u003cstrong data-start=\"595\" data-end=\"606\"\u003e6.5 GPM\u003c\/strong\u003e, and operating temperatures up to \u003cstrong data-start=\"641\" data-end=\"650\"\u003e195°F\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1198\" data-end=\"1201\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1203\" data-end=\"1229\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1231\" data-end=\"1700\"\u003e\n\u003cli data-section-id=\"snkwq3\" data-start=\"1231\" data-end=\"1285\"\u003eGenuine PA (P.A. SpA) OEM replacement unloader valve\u003c\/li\u003e\n\u003cli data-section-id=\"12ljzsi\" data-start=\"1286\" data-end=\"1309\"\u003eRated up to 2,600 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"wk7eda\" data-start=\"1310\" data-end=\"1345\"\u003eSupports flow rates up to 6.5 GPM\u003c\/li\u003e\n\u003cli data-section-id=\"1af3zpv\" data-start=\"1346\" data-end=\"1403\"\u003eAutomatically diverts water flow during trigger release\u003c\/li\u003e\n\u003cli data-section-id=\"1fw8lyz\" data-start=\"1404\" data-end=\"1449\"\u003eHelps protect pumps and plumbing components\u003c\/li\u003e\n\u003cli data-section-id=\"vfta79\" data-start=\"1450\" data-end=\"1476\"\u003ePressure-actuated design\u003c\/li\u003e\n\u003cli data-section-id=\"10burtc\" data-start=\"1477\" data-end=\"1511\"\u003eCompact and durable construction\u003c\/li\u003e\n\u003cli data-section-id=\"3u46tj\" data-start=\"1512\" data-end=\"1562\"\u003eSuitable for hot and cold water pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1bl7wox\" data-start=\"1563\" data-end=\"1593\"\u003eReliable pressure regulation\u003c\/li\u003e\n\u003cli data-section-id=\"tl3stw\" data-start=\"1594\" data-end=\"1624\"\u003eCommercial-grade performance\u003c\/li\u003e\n\u003cli data-section-id=\"11yfo98\" data-start=\"1625\" data-end=\"1658\"\u003eHelps extend equipment lifespan\u003c\/li\u003e\n\u003cli data-section-id=\"8d49xv\" data-start=\"1659\" data-end=\"1700\"\u003eEasy replacement for compatible systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1702\" data-end=\"1705\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1707\" data-end=\"1734\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1736\" data-end=\"1757\"\u003e\u003cstrong data-start=\"1736\" data-end=\"1752\"\u003ePart Number:\u003c\/strong\u003e 3340\u003c\/p\u003e\n\u003cp data-start=\"1759\" data-end=\"1790\"\u003e\u003cstrong data-start=\"1759\" data-end=\"1776\"\u003eManufacturer:\u003c\/strong\u003e PA (P.A. SpA)\u003c\/p\u003e\n\u003cp data-start=\"1792\" data-end=\"1823\"\u003e\u003cstrong data-start=\"1792\" data-end=\"1802\"\u003eModel:\u003c\/strong\u003e VB135KDM (YVB135KDM)\u003c\/p\u003e\n\u003cp data-start=\"1825\" data-end=\"1873\"\u003e\u003cstrong data-start=\"1825\" data-end=\"1842\"\u003eProduct Type:\u003c\/strong\u003e Pressure Washer Unloader Valve\u003c\/p\u003e\n\u003cp data-start=\"1875\" data-end=\"1906\"\u003e\u003cstrong data-start=\"1875\" data-end=\"1896\"\u003eMaximum Pressure:\u003c\/strong\u003e 2,600 PSI\u003c\/p\u003e\n\u003cp data-start=\"1908\" data-end=\"1938\"\u003e\u003cstrong data-start=\"1908\" data-end=\"1930\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 6.5 GPM\u003c\/p\u003e\n\u003cp data-start=\"1940\" data-end=\"1970\"\u003e\u003cstrong data-start=\"1940\" data-end=\"1964\"\u003eMaximum Temperature:\u003c\/strong\u003e 195°F\u003c\/p\u003e\n\u003cp data-start=\"1972\" data-end=\"2004\"\u003e\u003cstrong data-start=\"1972\" data-end=\"1993\"\u003eInlet Connection:\u003c\/strong\u003e 3\/8\" BSP-F\u003c\/p\u003e\n\u003cp data-start=\"2006\" data-end=\"2039\"\u003e\u003cstrong data-start=\"2006\" data-end=\"2028\"\u003eOutlet Connection:\u003c\/strong\u003e 1\/4\" BSP-M\u003c\/p\u003e\n\u003cp data-start=\"2041\" data-end=\"2065\"\u003e\u003cstrong data-start=\"2041\" data-end=\"2061\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2067\" data-end=\"2070\"\u003e\n\u003ch2 data-section-id=\"1kehdxb\" data-start=\"2072\" data-end=\"2102\"\u003eWhat an Unloader Valve Does\u003c\/h2\u003e\n\u003cp data-start=\"2104\" data-end=\"2132\"\u003eThe VB135KDM is designed to:\u003c\/p\u003e\n\u003cul data-start=\"2134\" data-end=\"2357\"\u003e\n\u003cli data-section-id=\"1guzp1l\" data-start=\"2134\" data-end=\"2163\"\u003eRegulate operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1gzaa3t\" data-start=\"2164\" data-end=\"2216\"\u003eDivert water flow when the trigger gun is released\u003c\/li\u003e\n\u003cli data-section-id=\"syvdyp\" data-start=\"2217\" data-end=\"2253\"\u003ePrevent excessive pressure buildup\u003c\/li\u003e\n\u003cli data-section-id=\"1est7ul\" data-start=\"2254\" data-end=\"2290\"\u003eProtect pumps, hoses, and fittings\u003c\/li\u003e\n\u003cli data-section-id=\"1eg0b0n\" data-start=\"2291\" data-end=\"2319\"\u003eImprove system reliability\u003c\/li\u003e\n\u003cli data-section-id=\"1v5u496\" data-start=\"2320\" data-end=\"2357\"\u003eExtend pressure washer service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2359\" data-end=\"2457\"\u003eWhen spraying stops, the unloader redirects water through the bypass circuit until demand resumes.\u003c\/p\u003e\n\u003chr data-start=\"2459\" data-end=\"2462\"\u003e\n\u003ch2 data-section-id=\"vx2wyp\" data-start=\"2464\" data-end=\"2486\"\u003eCommon Applications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1m4yfbj\" data-start=\"2488\" data-end=\"2515\"\u003ePressure Washer Systems\u003c\/h3\u003e\n\u003cp data-start=\"2517\" data-end=\"2527\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"2529\" data-end=\"2691\"\u003e\n\u003cli data-section-id=\"1ftw8hk\" data-start=\"2529\" data-end=\"2558\"\u003eCommercial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"5z2q8o\" data-start=\"2559\" data-end=\"2582\"\u003eMobile cleaning units\u003c\/li\u003e\n\u003cli data-section-id=\"1hkm1a0\" data-start=\"2583\" data-end=\"2615\"\u003eProperty maintenance equipment\u003c\/li\u003e\n\u003cli data-section-id=\"155kqft\" data-start=\"2616\" data-end=\"2653\"\u003eContractor pressure washing systems\u003c\/li\u003e\n\u003cli data-section-id=\"1o88cvy\" data-start=\"2654\" data-end=\"2691\"\u003eLight industrial cleaning equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"pnm616\" data-start=\"2693\" data-end=\"2718\"\u003eCleaning Applications\u003c\/h3\u003e\n\u003cul data-start=\"2720\" data-end=\"2845\"\u003e\n\u003cli data-section-id=\"9ezizr\" data-start=\"2720\" data-end=\"2740\"\u003eEquipment cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"na2n4z\" data-start=\"2741\" data-end=\"2763\"\u003eBuilding maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"d4mmu5\" data-start=\"2764\" data-end=\"2781\"\u003eVehicle washing\u003c\/li\u003e\n\u003cli data-section-id=\"9bm7jy\" data-start=\"2782\" data-end=\"2815\"\u003eAgricultural equipment cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"j6cxk7\" data-start=\"2816\" data-end=\"2845\"\u003eGeneral commercial cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2847\" data-end=\"2850\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"2852\" data-end=\"2875\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul data-start=\"2877\" data-end=\"3117\"\u003e\n\u003cli data-section-id=\"1bf4awk\" data-start=\"2877\" data-end=\"2905\"\u003eStable pressure regulation\u003c\/li\u003e\n\u003cli data-section-id=\"1bb2u3x\" data-start=\"2906\" data-end=\"2932\"\u003eImproved pump protection\u003c\/li\u003e\n\u003cli data-section-id=\"19klfdu\" data-start=\"2933\" data-end=\"2957\"\u003eReduced component wear\u003c\/li\u003e\n\u003cli data-section-id=\"1gpagnp\" data-start=\"2958\" data-end=\"2991\"\u003eConsistent cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"bjv0nj\" data-start=\"2992\" data-end=\"3019\"\u003eReliable bypass operation\u003c\/li\u003e\n\u003cli data-section-id=\"1kjg8fj\" data-start=\"3020\" data-end=\"3049\"\u003eExtended equipment lifespan\u003c\/li\u003e\n\u003cli data-section-id=\"7dzq54\" data-start=\"3050\" data-end=\"3089\"\u003eDurable commercial-grade construction\u003c\/li\u003e\n\u003cli data-section-id=\"1fswne1\" data-start=\"3090\" data-end=\"3117\"\u003eReduced maintenance costs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3119\" data-end=\"3122\"\u003e\n\u003ch2 data-section-id=\"x2tt67\" data-start=\"3124\" data-end=\"3168\"\u003eSigns an Unloader Valve Needs Replacement\u003c\/h2\u003e\n\u003cp data-start=\"3170\" data-end=\"3205\"\u003eReplace the unloader if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3207\" data-end=\"3428\"\u003e\n\u003cli data-section-id=\"zta6im\" data-start=\"3207\" data-end=\"3230\"\u003ePressure fluctuations\u003c\/li\u003e\n\u003cli data-section-id=\"5zjyxm\" data-start=\"3231\" data-end=\"3259\"\u003eLoss of operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1g7kb8v\" data-start=\"3260\" data-end=\"3292\"\u003eWater leakage around the valve\u003c\/li\u003e\n\u003cli data-section-id=\"op63ib\" data-start=\"3293\" data-end=\"3324\"\u003eDifficulty adjusting pressure\u003c\/li\u003e\n\u003cli data-section-id=\"42aigf\" data-start=\"3325\" data-end=\"3346\"\u003ePump cycling issues\u003c\/li\u003e\n\u003cli data-section-id=\"uz2anl\" data-start=\"3347\" data-end=\"3370\"\u003eExcessive bypass flow\u003c\/li\u003e\n\u003cli data-section-id=\"1n1a9ox\" data-start=\"3371\" data-end=\"3401\"\u003eReduced cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"1knavrr\" data-start=\"3402\" data-end=\"3428\"\u003eWorn internal components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3430\" data-end=\"3433\"\u003e\n\u003ch2 data-section-id=\"16dprsq\" data-start=\"3435\" data-end=\"3456\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003col data-start=\"3458\" data-end=\"3875\"\u003e\n\u003cli data-section-id=\"v1qt1w\" data-start=\"3458\" data-end=\"3523\"\u003eShut down the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"1wichcp\" data-start=\"3524\" data-end=\"3591\"\u003eVerify compatibility with your pump's flow and pressure ratings.\u003c\/li\u003e\n\u003cli data-section-id=\"11dy9el\" data-start=\"3592\" data-end=\"3642\"\u003eInstall using the proper BSP-threaded fittings.\u003c\/li\u003e\n\u003cli data-section-id=\"1lhhw4v\" data-start=\"3643\" data-end=\"3682\"\u003eApply thread sealant where required.\u003c\/li\u003e\n\u003cli data-section-id=\"1vmp9ur\" data-start=\"3683\" data-end=\"3753\"\u003eAdjust pressure settings according to manufacturer recommendations.\u003c\/li\u003e\n\u003cli data-section-id=\"1446b16\" data-start=\"3754\" data-end=\"3793\"\u003eTest for proper operation and leaks.\u003c\/li\u003e\n\u003cli data-section-id=\"xpgasx\" data-start=\"3794\" data-end=\"3875\"\u003eVerify consistent pressure performance before returning the system to service.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"3877\" data-end=\"4020\"\u003e\u003cstrong data-start=\"3877\" data-end=\"3891\"\u003eImportant:\u003c\/strong\u003e Always ensure the pressure washer pump, hose, spray gun, and accessories are rated for the system's operating pressure and flow.\u003c\/p\u003e\n\u003chr data-start=\"4022\" data-end=\"4025\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4027\" data-end=\"4057\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4059\" data-end=\"4334\"\u003e\n\u003cli data-section-id=\"8e7fsu\" data-start=\"4059\" data-end=\"4098\"\u003eInspect regularly for leaks and wear.\u003c\/li\u003e\n\u003cli data-section-id=\"1bk99f5\" data-start=\"4099\" data-end=\"4153\"\u003eVerify pressure settings during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"1d9n57l\" data-start=\"4154\" data-end=\"4196\"\u003eMaintain clean water filtration systems.\u003c\/li\u003e\n\u003cli data-section-id=\"luq811\" data-start=\"4197\" data-end=\"4237\"\u003eCheck bypass performance periodically.\u003c\/li\u003e\n\u003cli data-section-id=\"16ap0lr\" data-start=\"4238\" data-end=\"4293\"\u003eReplace worn seals and internal components as needed.\u003c\/li\u003e\n\u003cli data-section-id=\"1cwppa9\" data-start=\"4294\" data-end=\"4334\"\u003eFollow PA maintenance recommendations.\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":"PA","offers":[{"title":"Default Title","offer_id":53429086552427,"sku":null,"price":83.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/PAVB135KDM.webp?v=1782507148","url":"https:\/\/generalsprayers.com\/products\/pa-vb135kdm-pressure-washer-unloader-valve-6-5-gpm-2600-psi-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}