North American Combustion H3157-B1-48 LED Light Source Assembly, part number 4720594, is a 48-inch LED illumination module designed for the H3157-B1-48 configuration in North American Combustion equipment. It functions as the dedicated light source for the associated system, providing LED-based illumination in the 48-inch form factor. The product identification includes the model H3157-B1-48 and the 4720594 part number, ensuring precise replacement fitment in compatible assemblies.
