http://tinyurl.com/mg79xwz<P>Navien NR-210A Condensing Tankless Water Heater with Pump and Buffer Tank, Natural GasProduct Review<P> Click on the link for more reviews<P>98 percent thermal efficiency. 0.94 energy factor<P>17000 - 199000 BTU/hr<P>Flow rates - At 35 Degree Fahrenheit Rise : 10 GPM, At 45 Degree Fahrenheit Rise : 7.7 GPM, At 77 Degree Fahrenheit Rise : 4.6 GPM<P>Easy installation and PVC venting<P>Includes NR-10DU remote control<P>
