Stiebel-Eltron Tempra 29 tankless water heater for full sized houses. Weighing in at 24.25lbs, this water heater measures 14.2”x 21.75” x 4.6” and uses 240V/120AMP/28.8KW of electricity. It requires a minimum breaker size of 3 x 50A and wire size AWG copper 3 x 8. Featuring minimum flow to activate at .87 gallons per minute and water connections of 3/4” NPT. Offering temperature range of 85 to 125 degrees and an anti-scalding device, this is the perfect water heater for families. SAVE ELECTRICITY AND HAVE YOUR HOT WATER TOO!