{"product_id":"delavan-2-50-70-a-fuel-oil-burner-nozzle-2-50-gph-70-degree-a-hollow","title":"Delavan 2.50-70-a Fuel Oil Burner Nozzle 2.50 Gph 70 Degree a Hollow","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe Delavan 2.50-70-A is a fuel oil burner nozzle designed for use in residential and light commercial heating systems. It delivers a flow rate of 2.50 gallons per hour at a spray angle of 70 degrees with an A hollow cone spray pattern. HVAC technicians and oil burner service professionals rely on nozzles like this one to control the atomization of fuel oil in forced-air furnaces, boilers, and water heaters. Proper nozzle selection is critical to burner efficiency, combustion quality, and overall heating system performance. The Delavan 2.50-70-A meets those demands with a well-defined spray pattern that promotes clean, complete combustion and reduces the risk of soot buildup and carbon deposits in the combustion chamber. Fuel oil nozzles work by breaking down the oil into a fine mist before it enters the combustion chamber. The spray angle and pattern type determine how the mist is distributed across the flame. A 70-degree angle is a common mid-range setting used in many standard residential oil burner applications. The A hollow cone pattern produces a ring-shaped spray that concentrates fuel around the outer edge of the spray, which is well-suited for certain burner head configurations. Delavan is a recognized name in fuel nozzle manufacturing, with a long history of producing precision-engineered components for the oil heating industry. This nozzle is cross-referenced to part numbers 8.700-893.0, 87008930, and 079291, making it easier to confirm compatibility when replacing an existing nozzle on the job. Technicians should always match the GPH rating, spray angle, and pattern type when selecting a replacement nozzle to ensure the burner operates within its designed parameters. Incorrect nozzle sizing can lead to poor combustion, excess fuel consumption, and potential equipment damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2.50 GPH flow rate for precise fuel delivery in oil-fired heating equipment\u003c\/li\u003e\n\u003cli\u003e70-degree spray angle suits a wide range of standard residential oil burner configurations\u003c\/li\u003e\n\u003cli\u003eA hollow cone spray pattern promotes efficient atomization and clean combustion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\u003cp\u003eThe Delavan 2.50-70-A fuel oil burner nozzle delivers consistent, accurate fuel atomization at 2.50 GPH with a 70-degree hollow cone pattern. It is a reliable replacement nozzle for HVAC technicians servicing oil-fired furnaces and boilers.\u003c\/p\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: DELAVAN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 2.50-70-A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rate\u003c\/strong\u003e: 2.50 GPH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpray Angle\u003c\/strong\u003e: 70 Degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpray Pattern\u003c\/strong\u003e: A Hollow Cone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross Reference Part Numbers\u003c\/strong\u003e: 8.700-893.0, 87008930, 079291\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DELAVAN","offers":[{"title":"Default Title","offer_id":51120978100530,"sku":"2.50-70-A","price":22.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/fuel_nozzle_8.700-893.0-768x768.jpg?v=1777744864","url":"https:\/\/voomisupply.com\/products\/delavan-2-50-70-a-fuel-oil-burner-nozzle-2-50-gph-70-degree-a-hollow","provider":"Voomi Supply","version":"1.0","type":"link"}