Electric Water Heater Commercial Water Heater Design Whole House Tank Capacity - Plumbing 120.0 gal. Voltage - Water Heaters 208 Phase - Water Heaters 1/3 54 000 Total Watts Overall Height - Water Heaters 67-5/8 In. Jacket Dia 30-1/4 In. Overall Width 36 In. Recovery @ 90 F Rise 248.0 gph Recovery @ 50 F Rise 447 gph Recovery @ 70 F Rise 319 gph Recovery @ 100 F Rise 223 gph Recovery @ 110 F Rise 203 gph Recovery @ 120 F Rise 186 gph Recovery @ 130 F Rise 172 gph