Rheem’s RTG-70DVLN-3 High Efficiency indoor non-condensing natural gas tankless gas water heater delivers continuous hot water with minimal wait, saving time, energy and water. The RTG-70DVLN-3 features exclusive Hot Start Programming which keeps the water heater in a ready state eliminating cold water bursts with back-to-back uses. Rheem’s exclusive Overheat Film Wrap provides heat exchanger overheat protection and LeakGuard Leak Detection and Prevention monitors for potentially costly leaks providing you peace of mind while you enjoy efficient, continuous, no wait hot water in your entire home. The compact size, wall mount and industry leading installation clearance allows for installation in small spaces, saving valuable floor space.