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Comparison Willer IV50DR Brig vs Willer IVB 50 DR Elegance DHE

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Willer IV50DR Brig
Willer IVB 50 DR Elegance DHE
Willer IV50DR BrigWiller IVB 50 DR Elegance DHE
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Main
Consists of two internal tanks. There are two colours, white and silver, with a mirror surface.
Typestoragestorage
Energy sourcemainsmains
Installationverticalvertical
Tank volume50 L50 L
2 tanks
Tank shapeflatflat
Technical specs
Power source230 V230 V
Power consumption
2000 W /1000 W/
1600 W /800+800 W/
Heating modes22
Max. water temperature75 °C75 °C
Tank liningstainless steelstainless steel
Water supplywith pressurewith pressure
Heating time
70 min /at ∆t=40 °С/
90 min /at ∆t=60°С/
Magnesium anode
 /2 pcs/
Heating elements22
Heating element type
dry heater
dry heater
Features
Functions
thermostat
thermostat
Safety systems
overheat protection
safety valve
overheat protection
safety valve
General specs
Controlsmechanicalmechanical
Controls layoutfrontfront
Pipe connectionbottombottom
Tank manufacturer's warranty5 years7 years
Dimensions (HxWxD)86.5x43.5x26 cm
86x43.3x25.5 cm /weight — 14.7 kg/
Weight15 kg
Added to E-Catalogapril 2020february 2016

Power consumption

Electrical power consumed by the heater during operation.

This parameter is of key importance for electric models (see "Energy source"). In them, the power consumption corresponds to the power of the heating element and, accordingly, the heat output of the entire device. The overall efficiency and flow rate of the water heater directly depend on the useful power. Accordingly, high-flow rate models inevitably have high consumption. At the same time, we note that the heating power is selected by the designers in such a way as to guarantee the necessary flow rate and water temperature. So when choosing a device according to flow rate, you need to look primarily at flow rate and temperature. Power must be taken into account when connecting: for example, if a 220 V model (see "Power source") consumes more than 3.5 kW, it, as a rule, cannot be plugged into a regular outlet — connection is required according to special rules. And the most productive and high-powered models — 10 kW or more — are connected only to three-phase mains.

The power consumption has a similar value for combined boilers — adjusted for the fact that in them the electric heater is an additional source of heat. For gas and indirect models, this parameter describes the power consumption of control circuits and other auxiliary structural elements; this power consumption is usually very small — on the order of several tens of watts, less often up to 1.5 kW.

Heating time

Time to heat the storage tank (see "Type"), filled with cold water, to operating temperature.

It is worth remembering that this characteristic is not 100% accurate. Manufacturers usually indicate the heating time for certain conditions: a filled tank, maximum heating intensity, and temperature rise (∆T) by a certain number of degrees. In practice, the heating time may differ, both one way and the other. For example, if the heating time for the device is 20 minutes at ∆T = 50 °C, then when the water is heated from 15 °C to 60 °C, the time will be shorter (∆T = 45 °C). Nevertheless, this indicator allows us to evaluate the overall flow rate of the boiler, and with equal ∆T and volumes, different models can be compared in terms of heating time.

Magnesium anode

Magnesium anode is used in storage heaters (see type). It is an additional means of protecting the tank and heating elements from corrosion. Due to its special electrochemical properties, magnesium significantly slows down the oxidation of other metal parts that come into contact with water. Note that the magnesium anode has a limited service life. It needs to be changed every 5-7 years.

Tank manufacturer's warranty

The warranty period declared by the manufacturer for the storage water heater tank (see “Type”).

This parameter is important for the reasons of maintenance terms. The tank is the most complex element: other parts of the water heater are relatively easy to repair and change, and if there is a problem with the tank, it is often easier to replace the entire boiler. In the most advanced models, the warranty on the tank can be 10 years or more.

Weight

The weight of the device, excluding the water collected (passing) into it.
Willer Brig DR often compared
Willer Elegance DHE often compared