... ,15kw,18kw,21kw,27kw 20 day JNOD UL standard ETL electric tankless water heater 27kw details:1. Specification of UL standard ... ETL electric tankless water heater 27kw 1) Rated power: 6kw/8kw/10kw ... Color: red, silver, purple,white,black, Pure silver, Pure Black 5) Dimension: 485*370*137mm2. Features of UL standard ETL electric tankless water ...