The High Altitude Orifice Kit - NG for elevations of 5001-8000 ft. is tailored for Rheem natural gas appliances. This kit features orifices designed to enhance gas flow in high-altitude conditions, where standard orifices may underperform. By optimizing combustion efficiency, this kit helps maintain safety and reliability in your gas appliances. It is compliant with industry standards, ensuring peace of mind for users. Installation is user-friendly, and the kit is compatible with various Rheem models, making it an ideal choice for both homeowners and professionals.