{"product_id":"70b-blue-solid-cone-burner-nozzle-1-25-gph-oem-replacement-part","title":"70B Blue Solid Cone Burner Nozzle 1.25 GPH – OEM Replacement Part","description":"\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1331\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Burner Components → Burner Nozzles\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Delavan 70B Solid Cone Oil Burner Nozzle\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003cstrong\u003eDelavan 70B Blue Solid Cone Burner Nozzle 1.25 GPH\u003c\/strong\u003e is a precision-engineered oil burner nozzle designed to deliver reliable ignition, efficient fuel atomization, and consistent combustion performance in hot water pressure washers, oil-fired heating systems, boilers, and industrial burner applications. Featuring a \u003cstrong\u003e70-degree solid cone spray pattern\u003c\/strong\u003e and \u003cstrong\u003e1.25 gallon per hour (GPH)\u003c\/strong\u003e flow rate, this nozzle provides uniform fuel distribution throughout the entire spray pattern for dependable burner operation.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Delavan OEM burner nozzle\u003c\/li\u003e\n\u003cli\u003e1.25 GPH fuel flow rate\u003c\/li\u003e\n\u003cli\u003e70-degree spray angle\u003c\/li\u003e\n\u003cli\u003eType B solid cone spray pattern\u003c\/li\u003e\n\u003cli\u003eUniform fuel distribution throughout the spray cone\u003c\/li\u003e\n\u003cli\u003eReliable ignition performance\u003c\/li\u003e\n\u003cli\u003eEfficient fuel atomization\u003c\/li\u003e\n\u003cli\u003eStable flame characteristics\u003c\/li\u003e\n\u003cli\u003eImproved combustion efficiency\u003c\/li\u003e\n\u003cli\u003ePrecision-machined internal components\u003c\/li\u003e\n\u003cli\u003eIntegrated sintered filter for contamination protection\u003c\/li\u003e\n\u003cli\u003eDurable construction for long service life\u003c\/li\u003e\n\u003cli\u003eISO 9001 certified manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1331\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Delavan\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Type B Solid Cone\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 70B 1.25\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e 1.25 GPH\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpray Angle:\u003c\/strong\u003e 70°\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpray Pattern:\u003c\/strong\u003e Solid Cone\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eColor Code:\u003c\/strong\u003e Blue\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThread Size:\u003c\/strong\u003e 9\/16\"-24\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Fuel Oil\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM Replacement:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertification:\u003c\/strong\u003e ISO 9001 Certified\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eType B Solid Cone Spray Pattern Advantages\u003c\/h2\u003e\n\u003cp\u003eThe Delavan Type B design provides:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniform droplet distribution throughout the complete spray pattern\u003c\/li\u003e\n\u003cli\u003eExcellent fuel-air mixing\u003c\/li\u003e\n\u003cli\u003eSmooth burner startup and ignition\u003c\/li\u003e\n\u003cli\u003eStable flame development\u003c\/li\u003e\n\u003cli\u003eEfficient combustion characteristics\u003c\/li\u003e\n\u003cli\u003eConsistent heat output\u003c\/li\u003e\n\u003cli\u003eReliable burner performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhile Type B nozzles become progressively more hollow at very high flow rates, particularly above 8.00 GPH, the 1.25 GPH model maintains excellent solid cone distribution for optimal combustion performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAdvanced Design Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision-machined spray components\u003c\/li\u003e\n\u003cli\u003eOptimized spray uniformity\u003c\/li\u003e\n\u003cli\u003eReduced distributor size for improved reliability\u003c\/li\u003e\n\u003cli\u003eShorter tangential slots to help prevent plugging\u003c\/li\u003e\n\u003cli\u003eAerodynamic nozzle body configuration\u003c\/li\u003e\n\u003cli\u003eRolled threads to eliminate chips and burrs\u003c\/li\u003e\n\u003cli\u003eSintered filter sized for maximum protection\u003c\/li\u003e\n\u003cli\u003eFactory tested and cleaned before shipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHot water pressure washer burners\u003c\/li\u003e\n\u003cli\u003eOil-fired heating systems\u003c\/li\u003e\n\u003cli\u003eCommercial burner assemblies\u003c\/li\u003e\n\u003cli\u003eIndustrial combustion equipment\u003c\/li\u003e\n\u003cli\u003eBoilers and furnaces\u003c\/li\u003e\n\u003cli\u003eAgricultural heating systems\u003c\/li\u003e\n\u003cli\u003eMobile wash units\u003c\/li\u003e\n\u003cli\u003eAsphalt maintenance equipment\u003c\/li\u003e\n\u003cli\u003eBurner repair and maintenance applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDependable burner ignition\u003c\/li\u003e\n\u003cli\u003eConsistent combustion quality\u003c\/li\u003e\n\u003cli\u003eEfficient fuel atomization\u003c\/li\u003e\n\u003cli\u003eStable flame formation\u003c\/li\u003e\n\u003cli\u003eImproved burner efficiency\u003c\/li\u003e\n\u003cli\u003eUniform fuel delivery\u003c\/li\u003e\n\u003cli\u003eReduced maintenance requirements\u003c\/li\u003e\n\u003cli\u003eLong operational service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSigns a Burner Nozzle May Need Replacement\u003c\/h2\u003e\n\u003cp\u003eReplace the nozzle if you notice:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDelayed ignition or hard starts\u003c\/li\u003e\n\u003cli\u003eExcessive smoke production\u003c\/li\u003e\n\u003cli\u003ePoor flame quality\u003c\/li\u003e\n\u003cli\u003eReduced heating efficiency\u003c\/li\u003e\n\u003cli\u003eIncreased fuel consumption\u003c\/li\u003e\n\u003cli\u003eCarbon buildup\u003c\/li\u003e\n\u003cli\u003eBurner instability\u003c\/li\u003e\n\u003cli\u003eRestricted fuel flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect power and fuel supply before servicing.\u003c\/li\u003e\n\u003cli\u003eRemove the existing nozzle carefully.\u003c\/li\u003e\n\u003cli\u003eInspect fuel filters and supply lines for contamination.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement nozzle according to equipment manufacturer specifications.\u003c\/li\u003e\n\u003cli\u003eVerify the flow rate, spray angle, and spray pattern match burner requirements.\u003c\/li\u003e\n\u003cli\u003eTest burner operation after installation.\u003c\/li\u003e\n\u003cli\u003eAdjust combustion settings if required.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Always install the exact nozzle size, spray angle, and spray pattern specified by the burner manufacturer to maintain safe operation and proper combustion efficiency.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplace burner nozzles during routine maintenance intervals.\u003c\/li\u003e\n\u003cli\u003eKeep fuel systems clean and free of contamination.\u003c\/li\u003e\n\u003cli\u003eInspect fuel filters regularly.\u003c\/li\u003e\n\u003cli\u003eMonitor flame quality and burner performance.\u003c\/li\u003e\n\u003cli\u003eVerify fuel pressure settings during service.\u003c\/li\u003e\n\u003cli\u003eReplace worn nozzles promptly to maintain optimal efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Delevan","offers":[{"title":"Default Title","offer_id":53408244564331,"sku":null,"price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/DelevanBurnerNozzle_b2bf05df-2e58-4972-8c03-253250e7b97f.webp?v=1781815230","url":"https:\/\/generalsprayers.com\/products\/70b-blue-solid-cone-burner-nozzle-1-25-gph-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}