The Rheem High Altitude Orifice Kit for Liquid Propane (LP) is designed to optimize gas flow in high-altitude applications. This kit includes orifices specifically calibrated for efficient combustion at elevations above 2000 feet. It is compatible with various Rheem models, ensuring a perfect fit for your heating system. The kit's components are crafted from high-quality materials, meeting industry standards for safety and performance. This orifice kit is essential for maintaining optimal operation of your gas water heater in challenging environments.