{"product_id":"general-pump-compact-thermal-relief-valve-1-2-mpt-145-f-oem-replacement-part","title":"General Pump Compact Thermal Relief Valve 1\/2\" MPT 145°F – OEM Replacement Part","description":"\u003cp data-start=\"0\" data-end=\"165\"\u003e\u003cstrong data-start=\"0\" data-end=\"16\"\u003ePart Number:\u003c\/strong\u003e 100558\u003cbr data-start=\"23\" data-end=\"26\"\u003e\u003cstrong data-start=\"26\" data-end=\"39\"\u003eCategory:\u003c\/strong\u003e Pressure Washer Components → Thermal Relief Valves → General Pump Parts\u003cbr data-start=\"111\" data-end=\"114\"\u003e\u003cstrong data-start=\"114\" data-end=\"123\"\u003eType:\u003c\/strong\u003e General Pump Compact Thermal Relief Valve\u003c\/p\u003e\n\u003chr data-start=\"167\" data-end=\"170\"\u003e\n\u003cp data-start=\"255\" data-end=\"694\"\u003eThe General Pump Compact Thermal Relief Valve (Part #100558) is a genuine OEM safety device designed to protect pressure washer pumps from damaging heat buildup during bypass operation. Engineered to automatically activate at approximately \u003cstrong data-start=\"495\" data-end=\"504\"\u003e145°F\u003c\/strong\u003e, this thermal relief valve releases overheated water from the system and allows cooler water to enter, helping prevent damage to seals, packings, valves, and other internal pump components.\u003c\/p\u003e\n\u003chr data-start=\"1333\" data-end=\"1336\"\u003e\n\u003ch2 data-section-id=\"939trr\" data-start=\"1338\" data-end=\"1364\"\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1366\" data-end=\"1837\"\u003e\n\u003cli data-section-id=\"1nbcrsj\" data-start=\"1366\" data-end=\"1409\"\u003eGenuine General Pump OEM Replacement Part\u003c\/li\u003e\n\u003cli data-section-id=\"16qosqv\" data-start=\"1410\" data-end=\"1467\"\u003eProtects pumps from overheating during bypass operation\u003c\/li\u003e\n\u003cli data-section-id=\"x87jmk\" data-start=\"1468\" data-end=\"1512\"\u003eAutomatically opens at approximately 145°F\u003c\/li\u003e\n\u003cli data-section-id=\"3ff83k\" data-start=\"1513\" data-end=\"1558\"\u003eAutomatic reset functionality after cooling\u003c\/li\u003e\n\u003cli data-section-id=\"16gr7h0\" data-start=\"1559\" data-end=\"1597\"\u003eCompact design for easy installation\u003c\/li\u003e\n\u003cli data-section-id=\"q450sw\" data-start=\"1598\" data-end=\"1648\"\u003eHelps prevent premature seal and packing failure\u003c\/li\u003e\n\u003cli data-section-id=\"1h3yn7m\" data-start=\"1649\" data-end=\"1701\"\u003eReduces wear caused by excessive pump temperatures\u003c\/li\u003e\n\u003cli data-section-id=\"11ernfe\" data-start=\"1702\" data-end=\"1750\"\u003eSuitable for high-flow pressure washer systems\u003c\/li\u003e\n\u003cli data-section-id=\"vdwt5\" data-start=\"1751\" data-end=\"1795\"\u003eImproves pump reliability and service life\u003c\/li\u003e\n\u003cli data-section-id=\"quc76p\" data-start=\"1796\" data-end=\"1837\"\u003eCost-effective pump protection solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1839\" data-end=\"1842\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1844\" data-end=\"1871\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1873\" data-end=\"1903\"\u003e\u003cstrong data-start=\"1873\" data-end=\"1890\"\u003eManufacturer:\u003c\/strong\u003e General Pump\u003c\/p\u003e\n\u003cp data-start=\"1905\" data-end=\"1928\"\u003e\u003cstrong data-start=\"1905\" data-end=\"1921\"\u003ePart Number:\u003c\/strong\u003e 100558\u003c\/p\u003e\n\u003cp data-start=\"1930\" data-end=\"1968\"\u003e\u003cstrong data-start=\"1930\" data-end=\"1947\"\u003eProduct Type:\u003c\/strong\u003e Thermal Relief Valve\u003c\/p\u003e\n\u003cp data-start=\"1970\" data-end=\"1999\"\u003e\u003cstrong data-start=\"1970\" data-end=\"1990\"\u003eConnection Size:\u003c\/strong\u003e 1\/2\" MPT\u003c\/p\u003e\n\u003cp data-start=\"2001\" data-end=\"2044\"\u003e\u003cstrong data-start=\"2001\" data-end=\"2021\"\u003eConnection Type:\u003c\/strong\u003e Male Pipe Thread (MPT)\u003c\/p\u003e\n\u003cp data-start=\"2046\" data-end=\"2079\"\u003e\u003cstrong data-start=\"2046\" data-end=\"2073\"\u003eActivation Temperature:\u003c\/strong\u003e 145°F\u003c\/p\u003e\n\u003cp data-start=\"2081\" data-end=\"2112\"\u003e\u003cstrong data-start=\"2081\" data-end=\"2096\"\u003eReset Type:\u003c\/strong\u003e Automatic Reset\u003c\/p\u003e\n\u003cp data-start=\"2114\" data-end=\"2155\"\u003e\u003cstrong data-start=\"2114\" data-end=\"2130\"\u003eApplication:\u003c\/strong\u003e Pump Overheat Protection\u003c\/p\u003e\n\u003cp data-start=\"2157\" data-end=\"2181\"\u003e\u003cstrong data-start=\"2157\" data-end=\"2177\"\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003chr data-start=\"2183\" data-end=\"2186\"\u003e\n\u003ch2 data-section-id=\"164os46\" data-start=\"2188\" data-end=\"2211\"\u003eTypical Applications\u003c\/h2\u003e\n\u003cul data-start=\"2213\" data-end=\"2432\"\u003e\n\u003cli data-section-id=\"1z0el29\" data-start=\"2213\" data-end=\"2238\"\u003ePressure washer systems\u003c\/li\u003e\n\u003cli data-section-id=\"1oa2tqu\" data-start=\"2239\" data-end=\"2278\"\u003eCommercial pressure washing equipment\u003c\/li\u003e\n\u003cli data-section-id=\"16ga20s\" data-start=\"2279\" data-end=\"2308\"\u003eIndustrial cleaning systems\u003c\/li\u003e\n\u003cli data-section-id=\"17ccjri\" data-start=\"2309\" data-end=\"2339\"\u003eHigh-flow pump installations\u003c\/li\u003e\n\u003cli data-section-id=\"tu2yfp\" data-start=\"2340\" data-end=\"2359\"\u003ePump bypass loops\u003c\/li\u003e\n\u003cli data-section-id=\"i17fze\" data-start=\"2360\" data-end=\"2378\"\u003eMobile wash rigs\u003c\/li\u003e\n\u003cli data-section-id=\"psnds6\" data-start=\"2379\" data-end=\"2400\"\u003eEquipment wash bays\u003c\/li\u003e\n\u003cli data-section-id=\"meedk1\" data-start=\"2401\" data-end=\"2432\"\u003eCustom pressure washer builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2434\" data-end=\"2437\"\u003e\n\u003ch2 data-section-id=\"7zbpd1\" data-start=\"2439\" data-end=\"2464\"\u003ePerformance Advantages\u003c\/h2\u003e\n\u003cul data-start=\"2466\" data-end=\"2935\"\u003e\n\u003cli data-section-id=\"1bmdpll\" data-start=\"2466\" data-end=\"2521\"\u003eAutomatically protects pumps from heat-related damage\u003c\/li\u003e\n\u003cli data-section-id=\"1garm54\" data-start=\"2522\" data-end=\"2577\"\u003ePrevents overheating during extended bypass operation\u003c\/li\u003e\n\u003cli data-section-id=\"1p5yf6i\" data-start=\"2578\" data-end=\"2630\"\u003eExtends seal, packing, and internal component life\u003c\/li\u003e\n\u003cli data-section-id=\"kjtol5\" data-start=\"2631\" data-end=\"2674\"\u003eHelps reduce maintenance and repair costs\u003c\/li\u003e\n\u003cli data-section-id=\"1890frp\" data-start=\"2675\" data-end=\"2734\"\u003eAutomatic reset operation requires no manual intervention\u003c\/li\u003e\n\u003cli data-section-id=\"4bcuhv\" data-start=\"2735\" data-end=\"2776\"\u003eCompact profile simplifies installation\u003c\/li\u003e\n\u003cli data-section-id=\"yd7rwp\" data-start=\"2777\" data-end=\"2829\"\u003eSupports long-term pump reliability and efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"10msien\" data-start=\"2830\" data-end=\"2880\"\u003eIdeal for commercial and industrial applications\u003c\/li\u003e\n\u003cli data-section-id=\"34hejm\" data-start=\"2881\" data-end=\"2935\"\u003eHelps maximize the lifespan of pressure washer pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2937\" data-end=\"2940\"\u003e\n\u003ch2 data-section-id=\"1se1dcn\" data-start=\"2942\" data-end=\"2967\"\u003eInstallation Locations\u003c\/h2\u003e\n\u003cp data-start=\"2969\" data-end=\"3034\"\u003eThe General Pump 100558 Thermal Relief Valve can be installed in:\u003c\/p\u003e\n\u003cul data-start=\"3036\" data-end=\"3174\"\u003e\n\u003cli data-section-id=\"1lmpzrk\" data-start=\"3036\" data-end=\"3057\"\u003ePump manifold ports\u003c\/li\u003e\n\u003cli data-section-id=\"xjezbf\" data-start=\"3058\" data-end=\"3081\"\u003eBypass plumbing loops\u003c\/li\u003e\n\u003cli data-section-id=\"h9ulpu\" data-start=\"3082\" data-end=\"3111\"\u003eInlet water supply plumbing\u003c\/li\u003e\n\u003cli data-section-id=\"11zxws0\" data-start=\"3112\" data-end=\"3147\"\u003eHigh-flow pressure washer systems\u003c\/li\u003e\n\u003cli data-section-id=\"1rcq037\" data-start=\"3148\" data-end=\"3174\"\u003ePump protection circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3176\" data-end=\"3288\"\u003eAlways follow equipment manufacturer recommendations regarding installation location and plumbing configuration.\u003c\/p\u003e\n\u003chr data-start=\"3290\" data-end=\"3293\"\u003e\n\u003ch2 data-section-id=\"8fimbm\" data-start=\"3295\" data-end=\"3325\"\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul data-start=\"3327\" data-end=\"3734\"\u003e\n\u003cli data-section-id=\"1jt7ebo\" data-start=\"3327\" data-end=\"3404\"\u003eInspect the thermal relief valve periodically for leaks or physical damage.\u003c\/li\u003e\n\u003cli data-section-id=\"f0dok\" data-start=\"3405\" data-end=\"3479\"\u003eVerify proper activation and reset operation during routine maintenance.\u003c\/li\u003e\n\u003cli data-section-id=\"15bfdt1\" data-start=\"3480\" data-end=\"3534\"\u003eReplace valves showing signs of wear or malfunction.\u003c\/li\u003e\n\u003cli data-section-id=\"18e6k5t\" data-start=\"3535\" data-end=\"3585\"\u003eEnsure adequate water supply to the pump system.\u003c\/li\u003e\n\u003cli data-section-id=\"1nhzdpw\" data-start=\"3586\" data-end=\"3644\"\u003eFollow General Pump installation and service guidelines.\u003c\/li\u003e\n\u003cli data-section-id=\"5j3xaa\" data-start=\"3645\" data-end=\"3734\"\u003eUse only genuine OEM replacement parts to maintain factory performance and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Pump","offers":[{"title":"Default Title","offer_id":53334177808747,"sku":"100558","price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/100558GP.webp?v=1780430262","url":"https:\/\/generalsprayers.com\/products\/general-pump-compact-thermal-relief-valve-1-2-mpt-145-f-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}