A.O. Smith GPVL-50 ProMax Power Vent Gas Water Heater, 50 gal Features an exclusive 3-position rotatable blower outlet which adds flexibility Dynaclean II dip tube optimizes inlet water pressure to minimize cold water regions within the tank State-of-the-art electronic gas control provides more precise temperature control; LED control light displays operation status information Hot-surface igniter is more robust and reliable than standing pilot, and reduces energy consumption 2-inch, thick, environmentally-friendly foam insulation reduces the amount of heat loss and contributes to overall energy efficiency