The Rheem Professional Prestige Series Powered Damper water heaters combine high efficiency with reliable performance. With a .68 - .69 Uniform Energy Factor (UEF), these models are designed to reduce energy costs while providing consistent hot water. Available in 38 and 50 gallon capacities, they are ideal for households needing versatile and efficient water heating solutions. The powered damper design enhances energy efficiency further, ensuring optimal performance in various environmental conditions.