The GE27DNHPDG is a 27 kW tankless electric water heater that runs on 240 V and mounts on a wall. It heats water on demand, so there is no storage tank and no standby heat loss from a tank. A digital touch screen sets the outlet temperature between 86°F and 140°F, and the unit self-modulates its heating elements to hold that setting. It suits apartments, condos and small homes where space is tight, but 27 kW draws roughly 112 A at full load, so it needs heavy dedicated wiring and a large electrical panel. That power is what lets it serve a whole small home; lower-output tankless units often struggle to run a shower and an appliance at once.
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Owners rate it well overall and like the endless hot water and small footprint. The recurring complaints are the electrical demand and the cost of a proper install.
The GE GE27DNHPDG is a 27 kW tankless electric water heater for residential use. It has no storage tank. It heats water as it flows through the unit, so hot water is available almost right away and does not depend on tank recovery.
The heater uses self-modulating heating. It adjusts its power to the flow rate to reach the set temperature, and it does not heat water until the water is needed. A digital touch screen is used to set the water temperature.
The compact cabinet mounts on the wall and takes up less floor space than a floor-mounted water heater. It is designed to fit in a utility room or a smaller mechanical space. It is intended for apartments, condos and homes with several fixtures, such as showers and sinks.
