TNKLS WTRHTR11.8KW TITAN Brand Name: Titan Watts: 11.8 W Tankless: Yes Power Source: Electric Product Type: Tankless Water Heater CSA Listed: No Temperature Pressure Relief Valve: Yes Warranty: 1 yr Minimum Temperature: 55 °F Commercial or Residential: Residential or Commercial Maximum Temperature: 70 °F Maximum Pressure: 150 psi Water Connection Size: 1/2 in. Water Connection Location: Side Energy Star Certified: Yes Volts: 220 V Width: 7 in. Depth: 3 in. Amps: 54 amps Height: 10 in. The tankless water heater takes up about .21 cubic feet and weighs only 9 pounds making it 80 times smaller the a conventional heater