{"product_id":"st-261-pressure-washer-unloader-valve-3600-psi-8-gpm-oem-replacement-part","title":"ST-261 Pressure Washer Unloader Valve 3600 PSI 8 GPM – OEM Replacement Part","description":"\u003cp data-start=\"0\" data-end=\"164\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 1396\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 Suttner ST-261 Pressure Washer Unloader Valve\u003c\/p\u003e\n\u003chr data-start=\"166\" data-end=\"169\"\u003e\n\u003cp data-start=\"256\" data-end=\"683\"\u003eThe \u003cstrong data-start=\"260\" data-end=\"322\"\u003eSuttner ST-261 Pressure Washer Unloader Valve (Part #1396)\u003c\/strong\u003e is a professional-grade OEM replacement unloader designed to regulate system pressure and protect pressure washer components from excessive pressure buildup. Engineered by \u003cstrong data-start=\"495\" data-end=\"506\"\u003eSuttner\u003c\/strong\u003e, the ST-261 is rated for up to \u003cstrong data-start=\"538\" data-end=\"551\"\u003e3,625 PSI\u003c\/strong\u003e, \u003cstrong data-start=\"553\" data-end=\"562\"\u003e8 GPM\u003c\/strong\u003e, and temperatures up to \u003cstrong data-start=\"587\" data-end=\"596\"\u003e176°F\u003c\/strong\u003e, making it an excellent choice for commercial and industrial pressure washing systems.\u003c\/p\u003e\n\u003chr data-start=\"1231\" data-end=\"1234\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1236\" data-end=\"1262\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1264\" data-end=\"1778\"\u003e\n\u003cli data-section-id=\"1cqnf1z\" data-start=\"1264\" data-end=\"1312\"\u003eGenuine Suttner OEM replacement unloader valve\u003c\/li\u003e\n\u003cli data-section-id=\"wi8q9b\" data-start=\"1313\" data-end=\"1351\"\u003eMaximum pressure rating of 3,625 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"1d0ei23\" data-start=\"1352\" data-end=\"1385\"\u003eSupports flow rates up to 8 GPM\u003c\/li\u003e\n\u003cli data-section-id=\"hodtzt\" data-start=\"1386\" data-end=\"1450\"\u003eAutomatically diverts water to bypass when trigger is released\u003c\/li\u003e\n\u003cli data-section-id=\"1to1uvs\" data-start=\"1451\" data-end=\"1494\"\u003eHelps protect pumps and system components\u003c\/li\u003e\n\u003cli data-section-id=\"1pt5a32\" data-start=\"1495\" data-end=\"1527\"\u003eAdjustable pressure regulation\u003c\/li\u003e\n\u003cli data-section-id=\"17zrwgz\" data-start=\"1528\" data-end=\"1570\"\u003eHeavy-duty commercial-grade construction\u003c\/li\u003e\n\u003cli data-section-id=\"1jrd0jp\" data-start=\"1571\" data-end=\"1618\"\u003eIntegrated gauge port for pressure monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"efwh2r\" data-start=\"1619\" data-end=\"1663\"\u003eCompatible with hot and cold water systems\u003c\/li\u003e\n\u003cli data-section-id=\"2gkg0c\" data-start=\"1664\" data-end=\"1695\"\u003eSmooth and reliable operation\u003c\/li\u003e\n\u003cli data-section-id=\"1egnomx\" data-start=\"1696\" data-end=\"1726\"\u003eReduces pump wear and stress\u003c\/li\u003e\n\u003cli data-section-id=\"1bcolmn\" data-start=\"1727\" data-end=\"1778\"\u003eIdeal for professional pressure washing equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1780\" data-end=\"1783\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1785\" data-end=\"1812\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1814\" data-end=\"1835\"\u003e\u003cstrong data-start=\"1814\" data-end=\"1830\"\u003ePart Number:\u003c\/strong\u003e 1396\u003c\/p\u003e\n\u003cp data-start=\"1837\" data-end=\"1862\"\u003e\u003cstrong data-start=\"1837\" data-end=\"1854\"\u003eManufacturer:\u003c\/strong\u003e Suttner\u003c\/p\u003e\n\u003cp data-start=\"1864\" data-end=\"1881\"\u003e\u003cstrong data-start=\"1864\" data-end=\"1874\"\u003eModel:\u003c\/strong\u003e ST-261\u003c\/p\u003e\n\u003cp data-start=\"1883\" data-end=\"1931\"\u003e\u003cstrong data-start=\"1883\" data-end=\"1900\"\u003eProduct Type:\u003c\/strong\u003e Pressure Washer Unloader Valve\u003c\/p\u003e\n\u003cp data-start=\"1933\" data-end=\"1964\"\u003e\u003cstrong data-start=\"1933\" data-end=\"1954\"\u003eMaximum Pressure:\u003c\/strong\u003e 3,625 PSI\u003c\/p\u003e\n\u003cp data-start=\"1966\" data-end=\"1994\"\u003e\u003cstrong data-start=\"1966\" data-end=\"1988\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 8 GPM\u003c\/p\u003e\n\u003cp data-start=\"1996\" data-end=\"2026\"\u003e\u003cstrong data-start=\"1996\" data-end=\"2020\"\u003eMaximum Temperature:\u003c\/strong\u003e 176°F\u003c\/p\u003e\n\u003cp data-start=\"2028\" data-end=\"2052\"\u003e\u003cstrong data-start=\"2028\" data-end=\"2043\"\u003eInlet Port:\u003c\/strong\u003e 3\/8\" FPT\u003c\/p\u003e\n\u003cp data-start=\"2054\" data-end=\"2079\"\u003e\u003cstrong data-start=\"2054\" data-end=\"2070\"\u003eOutlet Port:\u003c\/strong\u003e 3\/8\" FPT\u003c\/p\u003e\n\u003cp data-start=\"2081\" data-end=\"2106\"\u003e\u003cstrong data-start=\"2081\" data-end=\"2097\"\u003eBypass Port:\u003c\/strong\u003e 1\/4\" FPT\u003c\/p\u003e\n\u003cp data-start=\"2108\" data-end=\"2132\"\u003e\u003cstrong data-start=\"2108\" data-end=\"2123\"\u003eGauge Port:\u003c\/strong\u003e 1\/4\" FPT\u003c\/p\u003e\n\u003cp data-start=\"2134\" data-end=\"2158\"\u003e\u003cstrong data-start=\"2134\" data-end=\"2154\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2160\" data-end=\"2163\"\u003e\n\u003ch2 data-section-id=\"1kehdxb\" data-start=\"2165\" data-end=\"2195\"\u003eWhat an Unloader Valve Does\u003c\/h2\u003e\n\u003cp data-start=\"2197\" data-end=\"2238\"\u003eThe ST-261 unloader valve is designed to:\u003c\/p\u003e\n\u003cul data-start=\"2240\" data-end=\"2467\"\u003e\n\u003cli data-section-id=\"z6zai9\" data-start=\"2240\" data-end=\"2266\"\u003eRegulate system pressure\u003c\/li\u003e\n\u003cli data-section-id=\"p4dqef\" data-start=\"2267\" data-end=\"2315\"\u003eDivert water flow when the spray gun is closed\u003c\/li\u003e\n\u003cli data-section-id=\"1ogtrpi\" data-start=\"2316\" data-end=\"2351\"\u003ePrevent dangerous pressure spikes\u003c\/li\u003e\n\u003cli data-section-id=\"1am5e27\" data-start=\"2352\" data-end=\"2389\"\u003eProtect pumps from excessive stress\u003c\/li\u003e\n\u003cli data-section-id=\"19ft5zm\" data-start=\"2390\" data-end=\"2435\"\u003eImprove overall pressure washer reliability\u003c\/li\u003e\n\u003cli data-section-id=\"13l284f\" data-start=\"2436\" data-end=\"2467\"\u003eExtend equipment service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2469\" data-end=\"2584\"\u003eWhen the trigger gun is released, the valve redirects water flow through the bypass circuit until spraying resumes.\u003c\/p\u003e\n\u003chr data-start=\"2586\" data-end=\"2589\"\u003e\n\u003ch2 data-section-id=\"vx2wyp\" data-start=\"2591\" data-end=\"2613\"\u003eCommon Applications\u003c\/h2\u003e\n\u003ch3 data-section-id=\"4z91y0\" data-start=\"2615\" data-end=\"2643\"\u003ePressure Washing Systems\u003c\/h3\u003e\n\u003cp data-start=\"2645\" data-end=\"2655\"\u003eIdeal for:\u003c\/p\u003e\n\u003cul data-start=\"2657\" data-end=\"2829\"\u003e\n\u003cli data-section-id=\"1ftw8hk\" data-start=\"2657\" data-end=\"2686\"\u003eCommercial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"l9cydf\" data-start=\"2687\" data-end=\"2716\"\u003eIndustrial pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"g7mqf6\" data-start=\"2717\" data-end=\"2745\"\u003eHot water pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1l5zndh\" data-start=\"2746\" data-end=\"2775\"\u003eCold water pressure washers\u003c\/li\u003e\n\u003cli data-section-id=\"1oz07on\" data-start=\"2776\" data-end=\"2806\"\u003eTrailer-mounted wash systems\u003c\/li\u003e\n\u003cli data-section-id=\"q0e8wy\" data-start=\"2807\" data-end=\"2829\"\u003eMobile cleaning rigs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"pnm616\" data-start=\"2831\" data-end=\"2856\"\u003eCleaning Applications\u003c\/h3\u003e\n\u003cul data-start=\"2858\" data-end=\"3004\"\u003e\n\u003cli data-section-id=\"xkh8e3\" data-start=\"2858\" data-end=\"2873\"\u003eFleet washing\u003c\/li\u003e\n\u003cli data-section-id=\"9ezizr\" data-start=\"2874\" data-end=\"2894\"\u003eEquipment cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"1hcbv4i\" data-start=\"2895\" data-end=\"2917\"\u003eProperty maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"1wahuk5\" data-start=\"2918\" data-end=\"2940\"\u003eConstruction cleanup\u003c\/li\u003e\n\u003cli data-section-id=\"yrwt06\" data-start=\"2941\" data-end=\"2973\"\u003eAgricultural equipment washing\u003c\/li\u003e\n\u003cli data-section-id=\"jh8tv3\" data-start=\"2974\" data-end=\"3004\"\u003eIndustrial facility cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3006\" data-end=\"3009\"\u003e\n\u003ch2 data-section-id=\"ctfpuh\" data-start=\"3011\" data-end=\"3034\"\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul data-start=\"3036\" data-end=\"3269\"\u003e\n\u003cli data-section-id=\"1c2714a\" data-start=\"3036\" data-end=\"3065\"\u003eConsistent pressure control\u003c\/li\u003e\n\u003cli data-section-id=\"1bb2u3x\" data-start=\"3066\" data-end=\"3092\"\u003eImproved pump protection\u003c\/li\u003e\n\u003cli data-section-id=\"19klfdu\" data-start=\"3093\" data-end=\"3117\"\u003eReduced component wear\u003c\/li\u003e\n\u003cli data-section-id=\"76cfzu\" data-start=\"3118\" data-end=\"3143\"\u003eSmooth system operation\u003c\/li\u003e\n\u003cli data-section-id=\"u0ntvc\" data-start=\"3144\" data-end=\"3170\"\u003eReliable bypass function\u003c\/li\u003e\n\u003cli data-section-id=\"1gf1zzl\" data-start=\"3171\" data-end=\"3201\"\u003eEnhanced equipment longevity\u003c\/li\u003e\n\u003cli data-section-id=\"fmizwc\" data-start=\"3202\" data-end=\"3236\"\u003eImproved safety during operation\u003c\/li\u003e\n\u003cli data-section-id=\"1r7dt0j\" data-start=\"3237\" data-end=\"3269\"\u003eProfessional-grade performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3271\" data-end=\"3274\"\u003e\n\u003ch2 data-section-id=\"x2tt67\" data-start=\"3276\" data-end=\"3320\"\u003eSigns an Unloader Valve Needs Replacement\u003c\/h2\u003e\n\u003cp data-start=\"3322\" data-end=\"3357\"\u003eReplace the unloader if you notice:\u003c\/p\u003e\n\u003cul data-start=\"3359\" data-end=\"3592\"\u003e\n\u003cli data-section-id=\"otxges\" data-start=\"3359\" data-end=\"3392\"\u003ePressure spikes or fluctuations\u003c\/li\u003e\n\u003cli data-section-id=\"5zjyxm\" data-start=\"3393\" data-end=\"3421\"\u003eLoss of operating pressure\u003c\/li\u003e\n\u003cli data-section-id=\"42aigf\" data-start=\"3422\" data-end=\"3443\"\u003ePump cycling issues\u003c\/li\u003e\n\u003cli data-section-id=\"e9voun\" data-start=\"3444\" data-end=\"3467\"\u003eWater bypass problems\u003c\/li\u003e\n\u003cli data-section-id=\"op63ib\" data-start=\"3468\" data-end=\"3499\"\u003eDifficulty adjusting pressure\u003c\/li\u003e\n\u003cli data-section-id=\"83dsn3\" data-start=\"3500\" data-end=\"3528\"\u003eExcessive pressure buildup\u003c\/li\u003e\n\u003cli data-section-id=\"1ejja6r\" data-start=\"3529\" data-end=\"3549\"\u003eLeaking valve body\u003c\/li\u003e\n\u003cli data-section-id=\"16fehqg\" data-start=\"3550\" data-end=\"3592\"\u003eInconsistent pressure washer performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3594\" data-end=\"3597\"\u003e\n\u003ch2 data-section-id=\"16dprsq\" data-start=\"3599\" data-end=\"3620\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003col data-start=\"3622\" data-end=\"3993\"\u003e\n\u003cli data-section-id=\"1mv5stt\" data-start=\"3622\" data-end=\"3666\"\u003eRelieve system pressure before servicing.\u003c\/li\u003e\n\u003cli data-section-id=\"1vuo091\" data-start=\"3667\" data-end=\"3704\"\u003eDisconnect power and water supply.\u003c\/li\u003e\n\u003cli data-section-id=\"sfxazg\" data-start=\"3705\" data-end=\"3764\"\u003eInstall using the correct thread sealant where required.\u003c\/li\u003e\n\u003cli data-section-id=\"1742we3\" data-start=\"3765\" data-end=\"3825\"\u003eConnect inlet, outlet, bypass, and gauge ports correctly.\u003c\/li\u003e\n\u003cli data-section-id=\"1r8bc8i\" data-start=\"3826\" data-end=\"3893\"\u003eAdjust operating pressure according to equipment specifications.\u003c\/li\u003e\n\u003cli data-section-id=\"j5kjqb\" data-start=\"3894\" data-end=\"3940\"\u003eVerify bypass operation after installation.\u003c\/li\u003e\n\u003cli data-section-id=\"rz4my2\" data-start=\"3941\" data-end=\"3993\"\u003eTest the system for leaks and proper performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"3995\" data-end=\"4119\"\u003e\u003cstrong data-start=\"3995\" data-end=\"4009\"\u003eImportant:\u003c\/strong\u003e Never exceed the rated pressure, flow, or temperature limits of the unloader valve or pressure washer system.\u003c\/p\u003e\n\u003chr data-start=\"4121\" data-end=\"4124\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"4126\" data-end=\"4156\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"4158\" data-end=\"4448\"\u003e\n\u003cli data-section-id=\"141ggxb\" data-start=\"4158\" data-end=\"4207\"\u003eInspect the valve regularly for wear and leaks.\u003c\/li\u003e\n\u003cli data-section-id=\"1nnyne9\" data-start=\"4208\" data-end=\"4258\"\u003eVerify pressure settings during routine service.\u003c\/li\u003e\n\u003cli data-section-id=\"7omk9q\" data-start=\"4259\" data-end=\"4302\"\u003eKeep water filtration systems maintained.\u003c\/li\u003e\n\u003cli data-section-id=\"1q0brl4\" data-start=\"4303\" data-end=\"4341\"\u003eCheck bypass operation periodically.\u003c\/li\u003e\n\u003cli data-section-id=\"16ap0lr\" data-start=\"4342\" data-end=\"4397\"\u003eReplace worn seals and internal components as needed.\u003c\/li\u003e\n\u003cli data-section-id=\"30i6vb\" data-start=\"4398\" data-end=\"4448\"\u003eFollow manufacturer maintenance recommendations.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Suttner","offers":[{"title":"Default Title","offer_id":53427386941803,"sku":null,"price":71.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/ST-261Unloader.webp?v=1782445532","url":"https:\/\/generalsprayers.com\/products\/st-261-pressure-washer-unloader-valve-3600-psi-8-gpm-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}