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The Delavan 0.65-60-SS is a 0.65 GPH semi-solid spray oil burner nozzle designed for residential heating applications. It delivers a 60-degree spray angle and a semi-solid (SS) spray pattern, making it well-suited for oil-fired furnaces, boilers, and water heaters that require precise fuel atomization at lower flow rates. Delavan is a trusted name in oil burner nozzle manufacturing, and this nozzle meets ISO 9001 quality standards, reflecting consistent dimensional accuracy and reliable combustion performance across production batches.
Oil burner nozzles like the 0.65-60-SS perform a critical function in any oil-fired heating system. They atomize heating oil into a fine mist before it enters the combustion chamber. Proper atomization ensures complete fuel burn, which improves heat output, reduces soot buildup, and lowers excess fuel consumption. The semi-solid spray pattern produces a spray cone that is denser toward the center than a hollow cone pattern. This is especially effective in residential burners that operate at lower fire rates and need stable ignition with minimal misfires.
This nozzle features a brass body paired with a steel orifice disc. The brass body resists corrosion from heating oil and provides a durable threaded connection to the burner assembly. The steel orifice disc maintains a precise opening size over time, preserving the rated 0.65 GPH flow rate at 100 PSI operating pressure. A sintered filter is built into the nozzle to catch debris before it reaches the orifice, helping to prevent clogging and extend service life between maintenance intervals. The temperature rating of 80 degrees Fahrenheit reflects standard residential operating conditions.
HVAC technicians and oil burner service professionals rely on Delavan nozzles for annual tune-ups, burner replacements, and system conversions. Replacing the oil burner nozzle at each annual service is standard practice to maintain combustion efficiency and system reliability.
The Delavan 0.65-60-SS oil burner nozzle provides reliable fuel atomization at 0.65 GPH for residential heating systems. Its ISO 9001-compliant construction and sintered filter design support consistent combustion performance and easy annual maintenance.
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