OKHE SMARTSmart water heater with electronic thermostat and the option of connection to HDO. It includes autodidactic algorithm and heats water if required. It is possible to switch to several modes (MANUAL, MANUAL HDO, OPTIMUM, PROG, SMART, ANTI FREEZE). The heater is controlled by means of the operating system Android/iOS.


OKHE (square)

Water heater OKHECharacter

Suspended vertical heaters

  • Electric storage water heaters designed for suspension on the wall with volumes of 80–160 litres. The spacing of the anchor screws is maintained by the producer throughout all the processof production in order to enable easy replacement of time-expired heaters.
  • Heating of water is assured by ceramic heating elements controlled by an operational thermostat and protected by a safety thermostat (thermal fuse). The temperature range is 5–74 °C. The connection voltage is 1-PE-N/AC 230 V/50 Hz. The IP 44 electric shielding enables mounting of heaters above baths. Safety valve is included in the delivery.
  • Thickness of the thermal insulation (an average of 55 mm)
  • The heaters have very low heat loss

Main application

  • Heating of hot service water with the possibility to use economy tariff of electricity.


  • Safety valve


Cut of OKHE


Suspended, vertical
OKHE 80, OKHE 100, OKHE 125, OKHE 160

Technical data

TypeOKHE 80OKHE 100OKHE 125OKHE 160
Volume [l] 80 100 125 152
Max. operating overpressure in the tank [MPa] 0.6
El. connection [V] 1 PE-N 230 V/50 Hz
Input [W] 2 200
El. protection IP 44
Max. temperature TV [°C] 90
Recommended hot water temperature [°C] 60
Heater height [mm] 740 885 1 050 1 235
Heater dimension (width x depth) [mm] 520 x 550
Max. weight of the heater without water [kg] 34 38 45 51
Time of el. heating from 10 °C to 60 °C [hrs] 2.1 2.6 3.3 4
Load profile M M M L
Daily electricity consumption [kWh] 6.48 6.50 6.38 12.58
Mixed water V40 [l] 124,83 151.66 204.68 219.82


OKHE 80, OKHE 100, OKHE 125, OKHE 160