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The Eemax HA027240 is an 18 kW, 240-volt electric tankless water heater for point-of-use or whole-home hot water. It has a copper heat exchanger with a brass top, replaceable heating elements, a digital temperature display and a knob that adjusts in 1-degree steps. It takes no storage tank, so it frees space and avoids standby heat loss, but 18 kW needs dedicated 3 x 8 AWG wiring and a large electrical service. It suits small homes, apartments and single-fixture installs where a short run from the heater matters more than filling several bathrooms at once.
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This is an 18 kW, 240-volt electric tankless water heater with a digital temperature display. It has a stainless steel finish and mounts on the wall. It heats water on demand, so no water is kept hot in a storage tank.
The heat exchanger is copper with a brass top. The heating elements are easily replaceable. A control knob sets the temperature in 1-degree increments. Microprocessor temperature control holds the outlet temperature to within plus or minus one degree.
It runs on electricity, so it needs no venting and has no carbon monoxide risk. Installing it close to the point of use gets hot water to the tap faster and wastes less water. The manufacturer states 99 percent thermal energy efficiency and up to 90 percent space savings compared with large tank water heaters.
