Product details:

The ah series of tank less water heaters have long been known for their durability and reliability. The ah-27 is the flagship AHS27-D from iheat. Powerful enough to heat water for average size homes in extreme northern climates with 27 kilowatts of electrical draw it is more powerful than the ah-24. With a Max temp rise of 183.6 degrees F at 1 gpm and 91.8 degrees F at 2 gpm you can see how this heater will perform in the most extreme environments, large homes and multi-appliance applications. It is perfect for large homes throughout north America where incoming water temperature is 40 degrees F or less. There is hardly anything that the ah-27 can't handle.