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The DELAVAN 00275-90b7 is a solid-cone Type B oil burner nozzle rated at 2.75 gallons per hour (GPH) with a 90-degree spray angle. It is designed for residential oil-fired heating systems where consistent atomization and reliable ignition are essential. The brass body and steel orifice disc construction provide durability under continuous operating conditions. The solid-cone spray pattern distributes droplets uniformly throughout the full pattern, supporting smooth ignition and efficient combustion. A sintered filter is integrated into the nozzle assembly to help protect the orifice from contaminants in the fuel supply. This nozzle is installed by licensed oil burner technicians during routine maintenance or burner replacement service.
This nozzle is suited for residential oil burner applications where a solid-cone spray pattern is specified. Solid-cone Type B nozzles are commonly used in larger residential burners where uniform droplet distribution across the full spray pattern is required for stable combustion. At flow rates above 8.00 GPH, the spray pattern becomes progressively more hollow, so this nozzle at 2.75 GPH operates well within the range where full solid-cone performance is maintained. It is a direct-replacement nozzle for standard residential oil heating equipment requiring a 90-degree, 2.75 GPH solid-cone Type B nozzle.
Designed as an OEM-style replacement nozzle for residential oil-fired heating equipment requiring a solid-cone Type B nozzle with a 2.75 GPH flow rate and 90-degree spray angle.
Oil burner nozzles are serviced by licensed oil burner technicians as part of annual tune-up or burner repair procedures. Always shut down the burner and allow fuel lines to depressurize before removing the existing nozzle. Use an appropriate nozzle wrench to avoid damaging the nozzle body or electrodes during removal and installation. Verify that the replacement nozzle GPH rating, spray angle, and spray pattern type match the burner manufacturer specifications before firing the unit.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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