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The Delavan 0.65-80-AR-D is a precision-engineered oil burner nozzle designed for residential heating systems. It delivers a flow rate of 0.65 gallons per hour at a rated pressure of 100 PSI. The 80-degree spray angle and AR-D solid cone spray pattern work together to produce a tight, even fuel distribution inside the combustion chamber. This results in clean, efficient ignition and consistent heat output. HVAC technicians and oil burner service professionals rely on this type of nozzle for routine maintenance, seasonal tune-ups, and system repairs on residential oil-fired furnaces and boilers. The nozzle body is made from brass, which resists corrosion and holds up well under repeated thermal cycling. The orifice disc is steel, providing durability and a precise spray geometry that holds its calibration over time. A sintered filter is built into the nozzle to catch fine particulates before they reach the orifice. This protects the spray pattern and extends service intervals. The AR-D designation refers to a solid cone pattern with a hollow center, which is suited for burners that require a dense, compact flame. This type of pattern is commonly specified by burner manufacturers for smaller residential units. The nozzle meets ISO 9001 quality standards, meaning it is manufactured under a documented quality management system. This matters to service techs who need consistent performance across every nozzle they install. When replacing an oil burner nozzle, it is important to match flow rate, spray angle, and pattern type exactly to the original specification. Installing the wrong nozzle can result in sooting, poor combustion efficiency, or flame instability. The Delavan 0.65-80-AR-D makes it straightforward to get the right replacement the first time.
The Delavan 0.65-80-AR-D oil burner nozzle provides reliable, calibrated fuel atomization for residential heating equipment. Its solid cone spray pattern, durable brass construction, and built-in sintered filter make it a dependable choice for HVAC service professionals handling oil burner maintenance and replacement work.
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