Courtesy of Rheem
Rheem Professional Prestige Series. Powered damper and ultra low NOx. Efficiency is 0.68. Fifty gallon unit has 93 gallon FHR (first hour rating) and 36.4 GPH recovery at 90°F rise. Input is 36,000 BTU/hr.
Courtesy of Rheem
Professional Prestige Series, High Efficiency Condensing Power Direct Vent. Efficiency is 0.80 to 0.82 EF. Has 93 gallon FHR and recovery is 48.5 GPH for the 48 gallon unit. The condensing type hot water heater has the advantage of high efficiency and no need for an ordinary chimney to the outside. A 3" PVC vent to the outside is all that is needed. Input is 40,000 BTU/hr. See unit specifications for full information.