Proven Design for Endless Hot water - Eemax™'s heating technology blows away other water heating products, making it the Proven Choice for professional plumbers and distributors. Eemax™ Electric Tankless Water Heater, Series: HomeAdvantage II, 240 VAC, 75 A, 18000 W, 1 ph, 7 gpm, 3/4 in MNPT Water Connection, Copper Clad Heating Element, Energy Factor: 0.99, (2) 8 AWG Wire, Wall Mount, 1.5 gpm at 75 deg F Rise Recovery, 25 to 150 psi, 80 to 140 deg F, ASME Yes/No: No, 14 in W x 3-3/4 in D x 17 in H