The Danfoss 0.55 60° S Oil Boiler Burner Nozzle is a genuine product designed for residential boilers. This nozzle is specifically made for indoor mounting and operates on an oil power source, offering an energy efficiency rating of B. The brass tank lining material ensures durability and reliability, making it a quality choice for heating systems. Ideal for medium-sized heating needs, this Danfoss product is a trusted option for maintaining a comfortable home environment.