Marey GA30NG 30L Natural Gas Indoor tankless water heater, 8.0 Gallon per minute  199,000 BTU's 

Low-NOx Emissions-compliant with SCAQMD  316 Stainless Steel heat exchanger offering  superior corrosion resistance to chlorides and acids. Multiple Safety Features:  built in freeze protection, manual reset high limit, overheat cutoff fuse, inlet and outlet thermistors to monitor temperatures, and a built-in flame sensor. CSA certified for the US and Canada market. Maximum flow rate of 8 GPM at 45°F temperature rise (4.6 GPM at 70°F rise) Provides continuous hot water for up to 3 showers and 2 sinks running at once.  Compact, indoor wall-mounted design frees up storage space. The unit comes with a LED digital display that shows the output temperature reading Energy and Space Efficient: Space-saving design conserves energy as it heats only when needed Whole house solution ideal for larger homes, multi-family units and light commercial use Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord Unit performance is affected i