{"product_id":"pa-vb75kdmn-pressure-washer-unloader-valve-8-gpm-3650-psi-oem-replacement-part","title":"PA VB75KDMN Pressure Washer Unloader Valve 8 GPM 3650 PSI – OEM Replacement Part","description":"\u003cp data-start=\"0\" data-end=\"160\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 6546\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 VB75KDM Pressure Washer Unloader Valve\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"162\" data-end=\"165\"\u003e\n\u003cp data-start=\"256\" data-end=\"649\"\u003eThe \u003cstrong data-start=\"260\" data-end=\"318\"\u003ePA VB75KDM Pressure Washer Unloader Valve (Part #6546)\u003c\/strong\u003e is a genuine OEM replacement unloader designed to provide dependable pressure regulation and pump protection for commercial and industrial pressure washer systems. Manufactured by \u003cstrong data-start=\"499\" data-end=\"516\"\u003ePA (P.A. SpA)\u003c\/strong\u003e, this heavy-duty pressure-actuated unloader is rated for up to \u003cstrong data-start=\"580\" data-end=\"593\"\u003e3,650 PSI\u003c\/strong\u003e, \u003cstrong data-start=\"595\" data-end=\"604\"\u003e8 GPM\u003c\/strong\u003e, and operating temperatures up to \u003cstrong data-start=\"639\" data-end=\"648\"\u003e195°F\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1216\" data-end=\"1219\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1221\" data-end=\"1247\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1249\" data-end=\"1730\"\u003e\n\u003cli data-section-id=\"snkwq3\" data-start=\"1249\" data-end=\"1303\"\u003eGenuine PA (P.A. SpA) OEM replacement unloader valve\u003c\/li\u003e\n\u003cli data-section-id=\"1alras6\" data-start=\"1304\" data-end=\"1327\"\u003eRated up to 3,650 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"1d0ei23\" data-start=\"1328\" data-end=\"1361\"\u003eSupports flow rates up to 8 GPM\u003c\/li\u003e\n\u003cli data-section-id=\"vfta79\" data-start=\"1362\" data-end=\"1388\"\u003ePressure-actuated design\u003c\/li\u003e\n\u003cli data-section-id=\"1tjntnq\" data-start=\"1389\" data-end=\"1435\"\u003eAutomatically diverts water into bypass mode\u003c\/li\u003e\n\u003cli data-section-id=\"3oc7ks\" data-start=\"1436\" data-end=\"1500\"\u003eHelps protect pumps and system components from pressure spikes\u003c\/li\u003e\n\u003cli data-section-id=\"1bl7wox\" data-start=\"1501\" data-end=\"1531\"\u003eReliable pressure regulation\u003c\/li\u003e\n\u003cli data-section-id=\"3u46tj\" data-start=\"1532\" data-end=\"1582\"\u003eSuitable for hot and cold water pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1mqmzw8\" data-start=\"1583\" data-end=\"1613\"\u003eCommercial-duty construction\u003c\/li\u003e\n\u003cli data-section-id=\"1qtigqn\" data-start=\"1614\" data-end=\"1642\"\u003eCompact and durable design\u003c\/li\u003e\n\u003cli data-section-id=\"1m4u0s3\" data-start=\"1643\" data-end=\"1681\"\u003eHelps extend pump and equipment life\u003c\/li\u003e\n\u003cli data-section-id=\"1ak4n07\" data-start=\"1682\" data-end=\"1730\"\u003eIdeal for replacement and service applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1732\" data-end=\"1735\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1737\" data-end=\"1764\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1766\" data-end=\"1787\"\u003e\u003cstrong data-start=\"1766\" data-end=\"1782\"\u003ePart Number:\u003c\/strong\u003e 6546\u003c\/p\u003e\n\u003cp data-start=\"1789\" data-end=\"1820\"\u003e\u003cstrong data-start=\"1789\" data-end=\"1806\"\u003eManufacturer:\u003c\/strong\u003e PA (P.A. SpA)\u003c\/p\u003e\n\u003cp data-start=\"1822\" data-end=\"1840\"\u003e\u003cstrong data-start=\"1822\" data-end=\"1832\"\u003eModel:\u003c\/strong\u003e VB75KDM\u003c\/p\u003e\n\u003cp data-start=\"1842\" data-end=\"1890\"\u003e\u003cstrong data-start=\"1842\" data-end=\"1859\"\u003eProduct Type:\u003c\/strong\u003e Pressure Washer Unloader Valve\u003c\/p\u003e\n\u003cp data-start=\"1892\" data-end=\"1923\"\u003e\u003cstrong data-start=\"1892\" data-end=\"1913\"\u003eMaximum Pressure:\u003c\/strong\u003e 3,650 PSI\u003c\/p\u003e\n\u003cp data-start=\"1925\" data-end=\"1953\"\u003e\u003cstrong data-start=\"1925\" data-end=\"1947\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 8 GPM\u003c\/p\u003e\n\u003cp data-start=\"1955\" data-end=\"1985\"\u003e\u003cstrong data-start=\"1955\" data-end=\"1979\"\u003eMaximum Temperature:\u003c\/strong\u003e 195°F\u003c\/p\u003e\n\u003cp data-start=\"1987\" data-end=\"2019\"\u003e\u003cstrong data-start=\"1987\" data-end=\"2008\"\u003eInlet Connection:\u003c\/strong\u003e 1\/2\" BSP-F\u003c\/p\u003e\n\u003cp data-start=\"2021\" data-end=\"2054\"\u003e\u003cstrong data-start=\"2021\" data-end=\"2043\"\u003eOutlet Connection:\u003c\/strong\u003e 3\/8\" BSP-M\u003c\/p\u003e\n\u003cp data-start=\"2056\" data-end=\"2080\"\u003e\u003cstrong data-start=\"2056\" data-end=\"2076\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2082\" data-end=\"2085\"\u003e\n\u003ch2 data-section-id=\"1kehdxb\" data-start=\"2087\" data-end=\"2117\"\u003eWhat an Unloader Valve Does\u003c\/h2\u003e\n\u003cp data-start=\"2119\" data-end=\"2161\"\u003eThe VB75KDM unloader valve is designed to:\u003c\/p\u003e\n\u003cul data-start=\"2163\" data-end=\"2411\"\u003e\n\u003cli data-section-id=\"1tauqdo\" data-start=\"2163\" data-end=\"2199\"\u003eRegulate system operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"1gzaa3t\" data-start=\"2200\" data-end=\"2252\"\u003eDivert water flow when the trigger gun is released\u003c\/li\u003e\n\u003cli data-section-id=\"1efuo62\" data-start=\"2253\" data-end=\"2287\"\u003ePrevent damaging pressure spikes\u003c\/li\u003e\n\u003cli data-section-id=\"1qv8zyv\" data-start=\"2288\" data-end=\"2336\"\u003eProtect pumps, hoses, spray guns, and fittings\u003c\/li\u003e\n\u003cli data-section-id=\"fhdcyw\" data-start=\"2337\" data-end=\"2373\"\u003eImprove overall system reliability\u003c\/li\u003e\n\u003cli data-section-id=\"1v5u496\" data-start=\"2374\" data-end=\"2411\"\u003eExtend pressure washer service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2413\" data-end=\"2513\"\u003eWhen the spray gun is closed, water is redirected through the bypass circuit until cleaning resumes.\u003c\/p\u003e\n\u003chr data-start=\"2515\" data-end=\"2518\"\u003e\n\u003ch2 data-section-id=\"vx2wyp\" data-start=\"2520\" data-end=\"2542\"\u003eCommon Applications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"1m7fp76\" data-start=\"2544\" data-end=\"2575\"\u003eCommercial Pressure Washing\u003c\/h3\u003e\n\u003cp data-start=\"2577\" data-end=\"2587\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"2589\" data-end=\"2734\"\u003e\n\u003cli data-section-id=\"17aqqxb\" data-start=\"2589\" data-end=\"2620\"\u003eProfessional pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1xj5k0j\" data-start=\"2621\" data-end=\"2642\"\u003eMobile wash systems\u003c\/li\u003e\n\u003cli data-section-id=\"sjf9mw\" data-start=\"2643\" data-end=\"2674\"\u003eContractor cleaning equipment\u003c\/li\u003e\n\u003cli data-section-id=\"vvbnzo\" data-start=\"2675\" data-end=\"2708\"\u003eProperty maintenance operations\u003c\/li\u003e\n\u003cli data-section-id=\"1mv9afl\" data-start=\"2709\" data-end=\"2734\"\u003eFleet washing equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"3xqko4\" data-start=\"2736\" data-end=\"2759\"\u003eIndustrial Cleaning\u003c\/h3\u003e\n\u003cul data-start=\"2761\" data-end=\"2911\"\u003e\n\u003cli data-section-id=\"1i0u86j\" data-start=\"2761\" data-end=\"2787\"\u003eManufacturing facilities\u003c\/li\u003e\n\u003cli data-section-id=\"1mc4sge\" data-start=\"2788\" data-end=\"2817\"\u003eEquipment cleaning stations\u003c\/li\u003e\n\u003cli data-section-id=\"7a3rsy\" data-start=\"2818\" data-end=\"2849\"\u003eAgricultural cleaning systems\u003c\/li\u003e\n\u003cli data-section-id=\"13h47xw\" data-start=\"2850\" data-end=\"2885\"\u003eIndustrial wash-down applications\u003c\/li\u003e\n\u003cli data-section-id=\"5l5kua\" data-start=\"2886\" data-end=\"2911\"\u003eMaintenance departments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2913\" data-end=\"2916\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"2918\" data-end=\"2941\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul data-start=\"2943\" data-end=\"3167\"\u003e\n\u003cli data-section-id=\"18ot7jt\" data-start=\"2943\" data-end=\"2975\"\u003eConsistent pressure regulation\u003c\/li\u003e\n\u003cli data-section-id=\"1bb2u3x\" data-start=\"2976\" data-end=\"3002\"\u003eImproved pump protection\u003c\/li\u003e\n\u003cli data-section-id=\"19klfdu\" data-start=\"3003\" data-end=\"3027\"\u003eReduced component wear\u003c\/li\u003e\n\u003cli data-section-id=\"bjv0nj\" data-start=\"3028\" data-end=\"3055\"\u003eReliable bypass operation\u003c\/li\u003e\n\u003cli data-section-id=\"ra3zff\" data-start=\"3056\" data-end=\"3087\"\u003eEnhanced cleaning performance\u003c\/li\u003e\n\u003cli data-section-id=\"1wdzf4p\" data-start=\"3088\" data-end=\"3107\"\u003eLong service life\u003c\/li\u003e\n\u003cli data-section-id=\"c81ntm\" data-start=\"3108\" data-end=\"3139\"\u003eProfessional-grade durability\u003c\/li\u003e\n\u003cli data-section-id=\"1fswne1\" data-start=\"3140\" data-end=\"3167\"\u003eReduced maintenance costs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3169\" data-end=\"3172\"\u003e\n\u003ch2 data-section-id=\"x2tt67\" data-start=\"3174\" data-end=\"3218\"\u003eSigns an Unloader Valve Needs Replacement\u003c\/h2\u003e\n\u003cp data-start=\"3220\" data-end=\"3259\"\u003eReplace the unloader if you experience:\u003c\/p\u003e\n\u003cul data-start=\"3261\" data-end=\"3490\"\u003e\n\u003cli data-section-id=\"zta6im\" data-start=\"3261\" data-end=\"3284\"\u003ePressure fluctuations\u003c\/li\u003e\n\u003cli data-section-id=\"k6h1q0\" data-start=\"3285\" data-end=\"3317\"\u003ePressure loss during operation\u003c\/li\u003e\n\u003cli data-section-id=\"1g7kb8v\" data-start=\"3318\" data-end=\"3350\"\u003eWater leakage around the valve\u003c\/li\u003e\n\u003cli data-section-id=\"op63ib\" data-start=\"3351\" data-end=\"3382\"\u003eDifficulty adjusting pressure\u003c\/li\u003e\n\u003cli data-section-id=\"uz2anl\" data-start=\"3383\" data-end=\"3406\"\u003eExcessive bypass flow\u003c\/li\u003e\n\u003cli data-section-id=\"42aigf\" data-start=\"3407\" data-end=\"3428\"\u003ePump cycling issues\u003c\/li\u003e\n\u003cli data-section-id=\"jgtr1r\" data-start=\"3429\" data-end=\"3461\"\u003eReduced cleaning effectiveness\u003c\/li\u003e\n\u003cli data-section-id=\"wk4w4r\" data-start=\"3462\" data-end=\"3490\"\u003eInternal wear or corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3492\" data-end=\"3495\"\u003e\n\u003ch2 data-section-id=\"16dprsq\" data-start=\"3497\" data-end=\"3518\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003col data-start=\"3520\" data-end=\"3940\"\u003e\n\u003cli data-section-id=\"1n541am\" data-start=\"3520\" data-end=\"3584\"\u003eTurn off the pressure washer and relieve all system pressure.\u003c\/li\u003e\n\u003cli data-section-id=\"13m8l09\" data-start=\"3585\" data-end=\"3652\"\u003eVerify compatibility with system flow and pressure requirements.\u003c\/li\u003e\n\u003cli data-section-id=\"1tx4apc\" data-start=\"3653\" data-end=\"3708\"\u003eInstall using the appropriate BSP-threaded fittings.\u003c\/li\u003e\n\u003cli data-section-id=\"1lhhw4v\" data-start=\"3709\" data-end=\"3748\"\u003eApply thread sealant where required.\u003c\/li\u003e\n\u003cli data-section-id=\"1bifqw5\" data-start=\"3749\" data-end=\"3812\"\u003eAdjust operating pressure using a calibrated pressure gauge.\u003c\/li\u003e\n\u003cli data-section-id=\"j9i1c6\" data-start=\"3813\" data-end=\"3863\"\u003eTest the system for proper operation and leaks.\u003c\/li\u003e\n\u003cli data-section-id=\"11s3nqd\" data-start=\"3864\" data-end=\"3940\"\u003eConfirm consistent pressure output before returning equipment to service.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"3942\" data-end=\"4080\"\u003e\u003cstrong data-start=\"3942\" data-end=\"3956\"\u003eImportant:\u003c\/strong\u003e Always ensure the pump, hoses, spray gun, and fittings are rated for the system's operating pressure and flow requirements.\u003c\/p\u003e\n\u003chr data-start=\"4082\" data-end=\"4085\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4087\" data-end=\"4117\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4119\" data-end=\"4377\"\u003e\n\u003cli data-section-id=\"8e7fsu\" data-start=\"4119\" data-end=\"4158\"\u003eInspect regularly for leaks and wear.\u003c\/li\u003e\n\u003cli data-section-id=\"1bk99f5\" data-start=\"4159\" data-end=\"4213\"\u003eVerify pressure settings during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"jd9knh\" data-start=\"4214\" data-end=\"4254\"\u003eMaintain clean inlet water filtration.\u003c\/li\u003e\n\u003cli data-section-id=\"iyx3mg\" data-start=\"4255\" data-end=\"4284\"\u003eMonitor bypass performance.\u003c\/li\u003e\n\u003cli data-section-id=\"16ap0lr\" data-start=\"4285\" data-end=\"4340\"\u003eReplace worn seals and internal components as needed.\u003c\/li\u003e\n\u003cli data-section-id=\"1d60v9d\" data-start=\"4341\" data-end=\"4377\"\u003eFollow PA service recommendations.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PA","offers":[{"title":"Default Title","offer_id":53429093957995,"sku":null,"price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/PAVB75KDMN.webp?v=1782507331","url":"https:\/\/generalsprayers.com\/products\/pa-vb75kdmn-pressure-washer-unloader-valve-8-gpm-3650-psi-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}