Stiebel Eltron Tankless Hot Water Heater

This is brand new, it was initially hooked up, but deemed too large for our system. It has been stored in a heated garage since. Here is the specs on it. MADE IN GERMANY: Engineered with over 100 years of innovation and manufacturing excellence SAVE ON WATER HEATING COSTS: Nearly all electricity used goes directly to heating water with no standby losses, plus energy and cost savings of up to 34% in water heating expense over an electric tank ELECTRICAL REQUIREMENTS: Tempra 36 Plus has a maximum power draw of 150 Amps and requires 3 separate dedicated 50 Amp DP breakers and 3 separate runs of 8-gauge copper wiring, with 300 Amp minimum total electrical service to the residence or upgraded to this level EXCLUSIVE TECHNOLOGY: Tempra Plus models have exclusive German-patented Advanced Flow Control that automatically maintains the desired hot water temperature even during periods of high demand Electronic self-modulation technology automatically ensures only the least amount of electricity needed is used to heat the water CONTINUOUS HOT WATER: Supplies endless hot water at a constant and steady temperature PRECISE TEMPERATURE CONTROL: Digital display with exact settings from 68 to 140°F (20-60°C) that can be set in 1° increments