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) SMART

Characteristics of water heaters OKHE SMARTOKHE SMART

Intelligent water heater with electronic thermostat. The SMART function adapts the operation of the heater precisely according to your own needs and thereby providing you with greater savings.



First heater manufactured in Drazice controlled via mobile devices running

  • Android 4.3. and higher
  • iOS 7,0 and higher

The heater is designed for accumulation hot water using electricity. Water is heated by an electric element in an enamelled thermally insulated tank. The unit is controlled by means of the control unit during heating period.  Turning of the round controller to the left and to the right enables switching between one and four modes. The internal control unit includes intelligent thermostat SMART and receiver HDO (Bulk remote control). It differentiates high and low tariff according to the code setting. Information on high and low tariff can be used in modes MANUAL and SMART. The user can select one of four operating modes specified in the table below.

Režim provozu Stručný popis
1 SMART Intelligent thermostat with reaction to the consumption of hot water
SMART HDO SMART mode with signal memory HDO
2 MANUÁL Common thermostat
MANUÁL HDO Common thermostat blocked with signal HDO
3 PROG Common thermostat with weekly program
4 ANTI-FREEZE Boiler shut-down with minimum temperature monitoring 5 °C  

In modes SMART, SMART HDO, MANUAL a MANUAL HDO it is possible to control with signal HDO decoded with internal receiver.  If the servicing interface is used (application for Android or iOS) for activating receiver HDO, then modes SMART and MANUÁL are replaced with SMART HDO and MANUÁL HDO.

Suspended, vertical SMART

Technical data

ModelNominal capacity (l)Time of warming content of temperature ∆T= 50°C (hod)Electricity consumption  warming contents from 15°C TO 65°C
Total heat losses (kWh/24h)
OKHE 80-SMART 80 2,5 4,8 0,72
OKHE 100-SMART 100 3 6 0,83
OKHE 125-SMART 125 3,8 8 1,0
OKHE 160-SMART 152 5 9,5 1,32

Mobile application

QR code to download the app from Google Play to mobile devices running Android 4.3 and higher.

Google play SMART bojler