The Rheem Low NOx Orifice is designed for 3-hole inshot burners, promoting cleaner combustion and reduced emissions. This orifice is crafted from high-quality materials to ensure durability and consistent performance. Its precise design allows for optimal gas flow, enhancing the efficiency of your heating system while complying with environmental regulations. Suitable for various Rheem models, this orifice is essential for maintaining low nitrogen oxide emissions, making it a responsible choice for both residential and commercial applications.