EZ Tankless 21 kW HotShot Whole House Tankless Electric Water Heater & BREO Skin Watch Enough hot water for a 2 bath home in a warm climate area. The EZ Hotshot requires 2x 60AMP breakers. Digital LCD screen on front of unit where you set temperature is Fahrenheit Fully-automatic, simply turn on the water spigot or shower, hot water will arrive in a few moments Featuring a precise and safe water flow sensor to stabilize the exit water flow If the water supply is interrupted, the gas valve will automatically turn off