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The DELAVAN 00080-70w1 is a semisolid-spray oil burner nozzle rated at 0.80 gallons per hour (GPH) with a 70-degree spray angle. It meters and atomizes fuel oil before it enters the combustion chamber, converting liquid fuel into a fine, consistent mist that supports stable ignition and efficient combustion. This nozzle is installed by licensed oil-burner technicians and HVAC service professionals during routine maintenance, nozzle replacement, or burner tune-ups. The W-style semisolid pattern is suited for applications where a moderately hollow, even spray distribution is required for reliable flame geometry.
This nozzle is used in residential and light-commercial oil-fired heating systems, including forced-air furnaces, boilers, and water heaters equipped with pressure-type gun burners. The 0.80 GPH flow rate and 70-degree angle make it appropriate for burner heads sized to that firing rate. It is installed seasonally or as part of an annual oil-burner tune-up when nozzle degradation, carbon buildup, or off-spec combustion readings indicate replacement is needed.
Designed as an OEM-style replacement nozzle for residential and light-commercial oil-fired gun burners requiring a 0.80 GPH, 70-degree, semisolid W-pattern nozzle.
Oil burner nozzles should be replaced by a licensed oil-burner technician or qualified HVAC professional. Shut off power to the burner and close the fuel supply valve before beginning service. Use a proper nozzle wrench to avoid damaging the nozzle adapter or electrodes during removal and installation. After replacement, verify combustion performance with a flue-gas analyzer to confirm proper draft, CO levels, and smoke number before returning the unit to service.
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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