The ELJ Parts Delavan 0.40 Gallon Oil Burner Nozzle with a 70° W spray pattern is a precision-engineered component designed for reliable and efficient oil burner performance. Built with a durable brass construction, this nozzle delivers a consistent wide-angle spray pattern, making it ideal for residential and commercial heating systems. The included sintered filter helps trap debris and contaminants before they reach the nozzle tip, promoting cleaner combustion and extending the service life of your burner. The 0.40 gallon per hour flow rate ensures accurate fuel delivery, helping your heating system operate at peak efficiency. Whether you are performing routine maintenance or replacing a worn nozzle, this dependable part is a straightforward, quality replacement solution. Always consult your heating system's manual or a qualified technician to confirm compatibility before installation.