The Rheem AP19278-1 Gas Supply Assembly is designed for efficient gas delivery in water heating systems. With a diameter of 2 1/2 inches and a robust construction, this assembly ensures reliable performance and safety. It includes essential components for easy installation and compatibility with various Rheem models. This assembly meets industry standards for gas supply systems, ensuring compliance and safety in operation. Regular maintenance and inspection of the gas supply assembly are crucial for optimal performance and safety in your heating system.