... heating rapidly, CE.CCC.SGS.ISO. easy installation Instant electric water heater,heating rapidly, CE.CCC.SGS.ISO. ... easy installationSpecificationsinstant electric water heater with patent heating technology 380v/3phase, 9kw, 12kw,15kw,18kw ... Adopts patent heating technology-enclosed loop heating system, instant for hot water with less heating loss,nano insulation material which totally ...