The High Altitude Orifice Kit - NG for elevations of 2001-5000 ft. is designed for Rheem natural gas appliances. This kit includes orifices that are specifically engineered to optimize gas flow in high-altitude conditions, ensuring efficient combustion and performance. It is essential for maintaining safety and functionality in areas with lower air pressure. The components meet industry standards, providing reliability and compliance. Installation is user-friendly, making it suitable for both residential and commercial applications, and it is compatible with a variety of Rheem models.