The Rheem AS40052A Orifice Assembly is specifically designed for highhalt gas water heaters using natural gas. This assembly plays a vital role in regulating gas flow, ensuring efficient combustion and optimal performance. Constructed from robust materials, it guarantees durability and compliance with safety standards. Its precise engineering allows for easy installation and compatibility with various Rheem models. Ideal for replacements or upgrades, this orifice assembly enhances the overall efficiency of your water heating system.