Grand Hall unveils the new Eternal GU100, which is Energy Star-listed at 0.94EF. The unit can support up to two simultaneous applications such as running two showers or a shower and a dishwasher at the same time. The Eternal GU100 can replace a traditional 50-gallon standard tank and is compatible with traditional and retrofit recirculation systems. Since the GU100 operates on 1/2” gas connections, installation is simple and quick. Its lightweight, compact design and convenient top-mounted water connections make it easy for a single plumber to install the