{"product_id":"70a-red-hollow-cone-burner-nozzle-1-75-gph-oem-replacement-part","title":"70A Red Hollow Cone Burner Nozzle 1.75 GPH – OEM Replacement Part","description":"\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1330\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Pressure Washer Parts → Burner Components → Burner Nozzles\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Delavan 70A Hollow Cone Oil Burner Nozzle\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003cstrong\u003eDelavan 70A Red Hollow Cone Burner Nozzle 1.75 GPH\u003c\/strong\u003e is a precision-engineered oil burner nozzle designed to provide reliable ignition, efficient fuel atomization, and consistent combustion performance in hot water pressure washers, oil-fired heating systems, boilers, and industrial burner equipment. Featuring a \u003cstrong\u003e70-degree hollow cone spray pattern\u003c\/strong\u003e and \u003cstrong\u003e1.75 gallon per hour (GPH)\u003c\/strong\u003e flow rate, this nozzle is specifically engineered for burner systems that utilize hollow cone air patterns.\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\u003e1.75 GPH fuel flow rate\u003c\/li\u003e\n\u003cli\u003e70-degree spray angle\u003c\/li\u003e\n\u003cli\u003eType A hollow cone spray pattern\u003c\/li\u003e\n\u003cli\u003eExcellent fuel-air mixing characteristics\u003c\/li\u003e\n\u003cli\u003eReliable ignition performance\u003c\/li\u003e\n\u003cli\u003eEfficient fuel atomization\u003c\/li\u003e\n\u003cli\u003eLow-noise combustion operation\u003c\/li\u003e\n\u003cli\u003eStable flame development\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 corrosion-resistant construction\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 1330\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Delavan\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e Type A Hollow Cone\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 70A 1.75\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e 1.75 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 Hollow Cone\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eColor Code:\u003c\/strong\u003e Red\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 A Hollow Cone Spray Pattern Advantages\u003c\/h2\u003e\n\u003cp\u003eThe Delavan Type A hollow cone design offers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFuel concentration around the outer edge of the spray cone\u003c\/li\u003e\n\u003cli\u003eSuperior fuel-air mixing\u003c\/li\u003e\n\u003cli\u003eFast and dependable ignition\u003c\/li\u003e\n\u003cli\u003eSmooth burner startup\u003c\/li\u003e\n\u003cli\u003eStable flame characteristics\u003c\/li\u003e\n\u003cli\u003eReduced combustion noise\u003c\/li\u003e\n\u003cli\u003eEfficient heat production\u003c\/li\u003e\n\u003cli\u003eReliable burner operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis spray pattern is commonly specified for burners designed around hollow cone fuel distribution requirements.\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 services\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003ePerformance Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReliable burner ignition\u003c\/li\u003e\n\u003cli\u003eConsistent combustion performance\u003c\/li\u003e\n\u003cli\u003eEfficient fuel atomization\u003c\/li\u003e\n\u003cli\u003eStable flame formation\u003c\/li\u003e\n\u003cli\u003eReduced burner noise\u003c\/li\u003e\n\u003cli\u003eImproved combustion efficiency\u003c\/li\u003e\n\u003cli\u003eConsistent heat output\u003c\/li\u003e\n\u003cli\u003eLong operational lifespan\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\u003eUnstable flame patterns\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 performance issues\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 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 necessary.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Always install the nozzle size, spray angle, and spray pattern recommended by the burner manufacturer to ensure safe operation and optimal combustion performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eMaintenance Recommendations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplace burner nozzles during scheduled maintenance intervals.\u003c\/li\u003e\n\u003cli\u003eMaintain clean fuel filtration systems.\u003c\/li\u003e\n\u003cli\u003eUse clean, water-free fuel.\u003c\/li\u003e\n\u003cli\u003eInspect burner flame quality regularly.\u003c\/li\u003e\n\u003cli\u003eVerify fuel pressure settings during service.\u003c\/li\u003e\n\u003cli\u003eReplace worn nozzles promptly to maintain efficient operation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Delevan","offers":[{"title":"Default Title","offer_id":53408244007275,"sku":null,"price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/9201\/5723\/files\/DelevanBurnerNozzle_029bbaa0-4462-4273-8631-0876f1444e3a.webp?v=1781815074","url":"https:\/\/generalsprayers.com\/products\/70a-red-hollow-cone-burner-nozzle-1-75-gph-oem-replacement-part","provider":"GeneralSprayers","version":"1.0","type":"link"}