Flat electric heater suitable for installation in constrained spaces, which allows fast heating of water thanks to the two-vessel concept.
![]() |
The ceramic heating element significantly extends the service life of the heater | ![]() |
Possibility of using low electricity tariff (night tariff) |
![]() |
The anti-corrosion layer is not subject to pitting corrosion in hard and chlorinated water. | ![]() |
The electric heating element is part of the heater |
![]() |
High-quality Covestro insulation for low heat loss and minimum operating costs | ![]() |
Electrical protection IP44 - can be placed near draw-off points |
More information
More information about the OKHE ONE/E and OKHE ONE SMART electric water heater
- Flat heater in versions OKHE ONE/E of 50-100 and OKHE ONE 80-100 SMART
- Suitable for installation in confined spaces, can also be installed into a kitchen unit
- Quick water heating thanks to the two-vessel concept
- Combining the traditional technologies of DZD
- A possible alternative to a gas heater
OKHE ONE/E
- Can also be hung horizontally; only 2 screws
- Features a built-in electronic thermostat
OKHE ONE SMART
- Can also be hung horizontally; only 2 screws
- Includes a self-learning Smart control unit to optimize consumption, saving up to 15 % of costs
- Possible control through the My Uplink smartphone application
- Wi-Fi connectivity
- Self-diagnosis of errors detecting e.g. a protective anode condition
!!! Available from August 2026!!!














