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The Delavan 1.00-80-AR-D is a solid cone oil burner nozzle designed for residential heating applications. It delivers a flow rate of 1.00 gallons per hour at a spray angle of 80 degrees. This nozzle fits low to medium capacity oil burners with flow requirements up to 2.00 gallons per hour. HVAC technicians and oil burner service professionals rely on this type of nozzle for consistent, reliable fuel atomization in forced-air oil furnaces and boilers. The AR-D spray pattern produces a solid cone with a slightly more even droplet distribution compared to a standard Type B nozzle. This means the concentration of fuel droplets across the cone is balanced rather than heavily centered. That quality makes the AR-D a strong choice for burners that need stable combustion across a wide firing range. The brass body provides durability and resistance to corrosion from heating oil. The steel orifice disc controls the spray geometry with precision, maintaining consistent nozzle performance over repeated firing cycles. A sintered filter is built into the nozzle assembly to catch contaminants before they reach the orifice. This protects the spray pattern and extends the service life of the nozzle. The nozzle meets ISO 9001 quality standards, which means it is manufactured under a controlled quality management system. Oil burner nozzles should be replaced annually as part of routine furnace tune-up and maintenance service. Using the correct flow rate and spray angle is critical for efficient combustion and proper heat exchanger performance. The 1.00 GPH flow rate is rated at 100 PSI operating pressure, which is the standard pressure used in residential oil burner systems. Technicians servicing Beckett, Riello, Wayne, and similar residential oil burner brands will find this nozzle compatible with a wide range of equipment. Always verify the OEM nozzle specification before replacing.
The Delavan 1.00-80-AR-D delivers precise fuel atomization at 1.00 GPH and 80 degrees, making it a dependable replacement nozzle for residential oil burner annual maintenance and tune-up service.
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