Induced Draft Heater uses jet-ported Eugenox burners, allowing easy maintenance and a long life. Single-piece copper header/heat exchanger provides leak-free performance. Environmentally-aware design with lower emissions and more energy efficiency. Heater exterior always cool to the touch. Provides reliant pool heating regardless of weather or wind. Hayward-quality parts mean a long life span with few service needs. Corrosion and leak-resistant. Must be installed at least five feet from above ground pool walls requires ventilation on top and all sides. To save additional energy, cover pool with solar blanket when not in use. Propane Heater. Dimensions: 25.32”H X 15.94”W X 22.25”L”. Outdoor use only.