Tempra tankless electric water heaters must be correctly sized and you should consult the sizing guide to determine the correct model for you

Requires a minimum of 125 Amp total service to the residence， with 2 separate dedicated DP 40 Amp breakers and 2 separate runs of 8-gauge copper wiring for the Tempra 20 Trend itself

Requires 240 Volt or 208 Volt electric service， and has a maximum output of 19，200 Watts at 240 Volts or 14，400 Watts at 208 Volts

Supplies endless hot water at a constant and steady temperature from 68 to 140°F (20-60°C) that can be set on the front panel digital display

Flow rate you achieve from this or any tankless water heater depends on how powerful the unit is and the temperature difference between the incoming cold water and the hot water being delivered

99% efficient and typically result in savings of 15-20% in comparison with electric tank water heaters

Tempra tankless water heaters are about the size of a briefcase and need no venting

Smart microprocessor technology unique to Tempra water heaters delivers steady water temperature even when flow rate vary as taps are adjusted

Must be installed vertically， water fittings pointing down， with detachable connections such as braided flex connectors to allow periodic filter cleaning and flushing for scale， and an anti-scale filter is recommended if hard water is present

Professional installation recommended