Rheem’s RTGH-95DVELN-3 Super High Efficiency indoor condensing natural gas tankless gas water heater delivers hot water with minimal wait, saving time, energy and water. The RTGH-95DVELN-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. The integrated EcoNet App and Wi-Fi control allows you to control, monitor and customize your hot water usage from your phone or other smart device. Professional installation is recommended. Limited Warranty: 15 Year Heat Exchanger, 5 Year Parts, 1 Year Labor.