Stiebel Eltron HDB-E 18/21/24 Trend 18/21/24kW Electronic Control Water Heater (3-phase power supply)

HDB-E Trend series, fully electronic thermostatic instantaneous water heater, 35/43/50/55℃ built-in water selection, no hot/cold and more 18/21/24kW power in one, so that you can choose more easily and satisfactorily.

Series Introduction：

55℃ preset water temperature

Electronic thermostat ensures stable water temperature.

Automatic adjustment of power consumption, saving up to 20%* of water and power consumption.

Profi-Rapid® Quick Installation Kit

Suitable for both hard and soft water

Water flow rate: 5.6 - 13.8 l/min (depending on model)

Electronic bubble sensor system

Anti-scald function preset at 35/43/50/55°C (to be adjusted by licensed electrician)

Bare wire direct heating system, heating efficiency up to 99.9%.

IP25 waterproof rating

Wired remote control FB1 LCD Trend can be purchased separately.

*Comparable to hydronic instantaneous water heaters and will vary according to usage pattern.

More Features

Remote Control Configuration: (Optional)

HDB-E Trend series, can be added with online remote control device, easy to operate, increase the flexibility of adjusting the water temperature.

Specification: 

Model No. HDB-E 18/21/24 Trend

Power (400V) kW: 18/21/24

           (380V) kW: 16.2/19/21.7

Dimensions (H/W/D) mm 466 x 225 x 105

Temperature Selection ℃Default Temperature 55

Working water pressure KPa1

Starting flow rate L>2.5

Waterproof protection IP25

Pipe size 15mm(G1/2″)

Weight kg 2.9

Starting form electronic thermostat

System form centralized

Preset water temperature ℃ 35/43/50/55

Bare wire heating system

Electronic bubble sensor system

Over-temperature and over-voltage protection

Support preheating system (e.g. solar heating system)