Semi rapid burner assembly suitable for Leisure Products, Voyager 4500, Neptune 4500, Neptune 5000 2B, Neptune 5000 3B, Pacific 4500 , Pacific 5000 2B, Pacific 5000 3B, Tasman 4500, Gulf 4500, Aqua Chef V4520, Aqua Chef V4530, Aqua Chef V5020, Aqua Chef T4520.