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The DELAVAN 00650-80B7 is a solid cone oil burner nozzle rated at 6.50 gallons per hour (GPH) with an 80-degree spray angle. It atomizes fuel oil into a fine, evenly distributed cone pattern for efficient combustion in pressure-atomizing oil burner assemblies. The solid cone spray pattern delivers fuel across the full interior of the cone, supporting stable ignition and consistent flame geometry. This nozzle includes a mesh strainer that filters debris before it reaches the nozzle orifice. Licensed oil burner technicians and HVAC service professionals are the primary installers of this component.
This nozzle is suited for residential and light commercial oil-fired heating equipment, including forced-air furnaces, boilers, and water heaters that use pressure-atomizing burner assemblies. The 6.50 GPH flow rate and 80-degree solid cone pattern are selected to match the firing rate and combustion chamber geometry specified by the equipment manufacturer. Always verify the required GPH, spray angle, and spray pattern against the appliance nameplate or service manual before installation.
Designed as an OEM-style replacement nozzle for residential and light commercial pressure-atomizing oil burner assemblies requiring a 6.50 GPH, 80-degree solid cone spray pattern.
Oil burner nozzle replacement should be performed by a licensed oil burner technician or qualified HVAC service professional. Shut down the burner and allow the system to cool before beginning service. Use a proper nozzle wrench to remove and install the nozzle — avoid cross-threading or over-tightening the nozzle body into the adapter. After installation, verify combustion performance with appropriate test instruments per local codes and equipment manufacturer guidelines.
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