{"product_id":"general-pump-yu2158-stainless-steel-unloader-valve-21-gpm-6500-psi-oem-replacement-part","title":"General Pump YU2158 Stainless Steel Unloader Valve 21 GPM 6500 PSI – OEM Replacement Part","description":"\u003cp data-start=\"0\" data-end=\"178\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e YU2158\u003cbr data-start=\"23\" data-end=\"26\"\u003e\u003cstrong data-start=\"26\" data-end=\"39\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Components → Unloader Valves → General Pump Parts\u003cbr data-start=\"105\" data-end=\"108\"\u003e\u003cstrong data-start=\"108\" data-end=\"117\"\u003eType:\u003c\/strong\u003e General Pump Stainless Steel Trapped Pressure Unloader Valve\u003c\/p\u003e\n\u003chr data-start=\"180\" data-end=\"183\"\u003e\n\u003cp data-start=\"278\" data-end=\"639\"\u003eThe General Pump YU2158 Stainless Steel Unloader Valve is a genuine OEM trapped-pressure unloader designed for high-performance commercial and industrial pressure washer systems. Built for demanding applications, this heavy-duty unloader valve delivers precise pressure regulation, reliable bypass control, and superior durability in high-pressure environments.\u003c\/p\u003e\n\u003chr data-start=\"1314\" data-end=\"1317\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1319\" data-end=\"1345\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1347\" data-end=\"1797\"\u003e\n\u003cli data-section-id=\"1nbcrsj\" data-start=\"1347\" data-end=\"1390\"\u003eGenuine General Pump OEM Replacement Part\u003c\/li\u003e\n\u003cli data-section-id=\"18abzk4\" data-start=\"1391\" data-end=\"1432\"\u003eHeavy-duty stainless steel construction\u003c\/li\u003e\n\u003cli data-section-id=\"im7z1y\" data-start=\"1433\" data-end=\"1473\"\u003eTrapped-pressure unloader valve design\u003c\/li\u003e\n\u003cli data-section-id=\"el47jq\" data-start=\"1474\" data-end=\"1522\"\u003eCorrosion-resistant for demanding environments\u003c\/li\u003e\n\u003cli data-section-id=\"1osy6i8\" data-start=\"1523\" data-end=\"1557\"\u003eSupports flow rates up to 21 GPM\u003c\/li\u003e\n\u003cli data-section-id=\"udmztx\" data-start=\"1558\" data-end=\"1586\"\u003eRated pressure of 5800 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"1a0u99e\" data-start=\"1587\" data-end=\"1624\"\u003eMaximum pressure rating of 6500 PSI\u003c\/li\u003e\n\u003cli data-section-id=\"rdtyyv\" data-start=\"1625\" data-end=\"1683\"\u003eProvides reliable pressure regulation and bypass control\u003c\/li\u003e\n\u003cli data-section-id=\"nb6laj\" data-start=\"1684\" data-end=\"1737\"\u003eHelps protect pumps from excessive pressure buildup\u003c\/li\u003e\n\u003cli data-section-id=\"1361njq\" data-start=\"1738\" data-end=\"1797\"\u003eIdeal for commercial and industrial high-pressure systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1799\" data-end=\"1802\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1804\" data-end=\"1831\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1833\" data-end=\"1863\"\u003e\u003cstrong data-start=\"1833\" data-end=\"1850\"\u003eManufacturer:\u003c\/strong\u003e General Pump\u003c\/p\u003e\n\u003cp data-start=\"1865\" data-end=\"1888\"\u003e\u003cstrong data-start=\"1865\" data-end=\"1881\"\u003ePart Number:\u003c\/strong\u003e YU2158\u003c\/p\u003e\n\u003cp data-start=\"1890\" data-end=\"1939\"\u003e\u003cstrong data-start=\"1890\" data-end=\"1907\"\u003eProduct Type:\u003c\/strong\u003e Trapped Pressure Unloader Valve\u003c\/p\u003e\n\u003cp data-start=\"1941\" data-end=\"1970\"\u003e\u003cstrong data-start=\"1941\" data-end=\"1954\"\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/p\u003e\n\u003cp data-start=\"1972\" data-end=\"1995\"\u003e\u003cstrong data-start=\"1972\" data-end=\"1989\"\u003eSpring Color:\u003c\/strong\u003e Black\u003c\/p\u003e\n\u003cp data-start=\"1997\" data-end=\"2026\"\u003e\u003cstrong data-start=\"1997\" data-end=\"2019\"\u003eMaximum Flow Rate:\u003c\/strong\u003e 21 GPM\u003c\/p\u003e\n\u003cp data-start=\"2028\" data-end=\"2056\"\u003e\u003cstrong data-start=\"2028\" data-end=\"2047\"\u003eRated Pressure:\u003c\/strong\u003e 5800 PSI\u003c\/p\u003e\n\u003cp data-start=\"2058\" data-end=\"2088\"\u003e\u003cstrong data-start=\"2058\" data-end=\"2079\"\u003eMaximum Pressure:\u003c\/strong\u003e 6500 PSI\u003c\/p\u003e\n\u003cp data-start=\"2090\" data-end=\"2125\"\u003e\u003cstrong data-start=\"2090\" data-end=\"2108\"\u003eUnloader Type:\u003c\/strong\u003e Trapped Pressure\u003c\/p\u003e\n\u003cp data-start=\"2127\" data-end=\"2151\"\u003e\u003cstrong data-start=\"2127\" data-end=\"2147\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2153\" data-end=\"2156\"\u003e\n\u003ch2 data-section-id=\"164os46\" data-start=\"2158\" data-end=\"2181\"\u003eTypical Applications\u003c\/h2\u003e\n\u003cul data-start=\"2183\" data-end=\"2441\"\u003e\n\u003cli data-section-id=\"10pt3xi\" data-start=\"2183\" data-end=\"2219\"\u003eIndustrial pressure washer systems\u003c\/li\u003e\n\u003cli data-section-id=\"wbr99v\" data-start=\"2220\" data-end=\"2248\"\u003eHydro-excavation equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1nxinhq\" data-start=\"2249\" data-end=\"2280\"\u003eSurface preparation equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1gancqi\" data-start=\"2281\" data-end=\"2311\"\u003eHeavy equipment wash systems\u003c\/li\u003e\n\u003cli data-section-id=\"ggeu2l\" data-start=\"2312\" data-end=\"2338\"\u003eFleet washing operations\u003c\/li\u003e\n\u003cli data-section-id=\"3k3pxk\" data-start=\"2339\" data-end=\"2372\"\u003eManufacturing facility cleaning\u003c\/li\u003e\n\u003cli data-section-id=\"wxmp63\" data-start=\"2373\" data-end=\"2395\"\u003eIndustrial wash bays\u003c\/li\u003e\n\u003cli data-section-id=\"74gd8e\" data-start=\"2396\" data-end=\"2441\"\u003eHigh-pressure cleaning and blasting systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2443\" data-end=\"2446\"\u003e\n\u003ch2 data-section-id=\"7zbpd1\" data-start=\"2448\" data-end=\"2473\"\u003ePerformance Advantages\u003c\/h2\u003e\n\u003cul data-start=\"2475\" data-end=\"3026\"\u003e\n\u003cli data-section-id=\"1v918wd\" data-start=\"2475\" data-end=\"2540\"\u003eProvides precise pressure regulation under demanding conditions\u003c\/li\u003e\n\u003cli data-section-id=\"pfzgvn\" data-start=\"2541\" data-end=\"2598\"\u003eHandles high-flow, high-pressure applications with ease\u003c\/li\u003e\n\u003cli data-section-id=\"1ay9qd9\" data-start=\"2599\" data-end=\"2656\"\u003eStainless steel construction resists corrosion and wear\u003c\/li\u003e\n\u003cli data-section-id=\"1e0z8h4\" data-start=\"2657\" data-end=\"2727\"\u003eProtects pumps and system components from excessive pressure buildup\u003c\/li\u003e\n\u003cli data-section-id=\"1f9qaij\" data-start=\"2728\" data-end=\"2780\"\u003eImproves system reliability and operational safety\u003c\/li\u003e\n\u003cli data-section-id=\"18ld4hb\" data-start=\"2781\" data-end=\"2841\"\u003eDesigned for continuous-duty commercial and industrial use\u003c\/li\u003e\n\u003cli data-section-id=\"16jl1z2\" data-start=\"2842\" data-end=\"2909\"\u003eOEM-quality construction ensures dependable long-term performance\u003c\/li\u003e\n\u003cli data-section-id=\"ka3zf4\" data-start=\"2910\" data-end=\"2972\"\u003eSupports maximum cleaning efficiency and system productivity\u003c\/li\u003e\n\u003cli data-section-id=\"2lqbxw\" data-start=\"2973\" data-end=\"3026\"\u003eIdeal for severe-duty pressure washing applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3028\" data-end=\"3031\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"3033\" data-end=\"3063\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"3065\" data-end=\"3487\"\u003e\n\u003cli data-section-id=\"uiz21x\" data-start=\"3065\" data-end=\"3146\"\u003eInspect the unloader valve regularly for leaks, wear, or pressure fluctuations.\u003c\/li\u003e\n\u003cli data-section-id=\"hqw9vm\" data-start=\"3147\" data-end=\"3213\"\u003eVerify pressure settings during scheduled maintenance intervals.\u003c\/li\u003e\n\u003cli data-section-id=\"109fxbs\" data-start=\"3214\" data-end=\"3279\"\u003eInspect springs, seals, and internal valve components for wear.\u003c\/li\u003e\n\u003cli data-section-id=\"1bd1p2q\" data-start=\"3280\" data-end=\"3345\"\u003eFlush contaminants from the system to minimize internal damage.\u003c\/li\u003e\n\u003cli data-section-id=\"1rhz94v\" data-start=\"3346\" data-end=\"3407\"\u003eFollow General Pump installation and adjustment procedures.\u003c\/li\u003e\n\u003cli data-section-id=\"1zsyys\" data-start=\"3408\" data-end=\"3487\"\u003eUse only genuine General Pump OEM replacement parts when servicing the valve.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Pump","offers":[{"title":"Default Title","offer_id":53333999092075,"sku":"YU2158","price":630.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/YU2158.jpg?v=1780417060","url":"https:\/\/generalsprayers.com\/products\/general-pump-yu2158-stainless-steel-unloader-valve-21-gpm-6500-psi-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}