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Comparison NOVAtec NT-DD 80 vs NOVAtec NT-DG 80

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NOVAtec NT-DD 80
NOVAtec NT-DG 80
NOVAtec NT-DD 80NOVAtec NT-DG 80
from $92.60 up to $110.92
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from $105.31 up to $118.04
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Main
Two "dry" heating elements. Titanium enamel as a coating for the inner walls of the tank. 7 year tank warranty.
Typestoragestorage
Energy sourcemainsmains
Installationverticalvertical
Tank volume80 L80 L
Tank shapecylindricalcylindrical
Technical specs
Power source230 V230 V
Power consumption1600 W1600 W
Max. water temperature75 °C75 °C
Tank liningenamelenamel
Water supplywith pressurewith pressure
Heating time155 min155 min
Magnesium anode
Heating elements22
Heating element type
dry heater
dry heater
Features
Functions
thermostat
 
 
thermostat
programmer
display
Safety systems
overheat protection
safety valve
overheat protection
safety valve
General specs
Controlsmechanicalelectronic
Controls layoutbottomfront
Remote control
Pipe connectionbottombottom
Tank manufacturer's warranty7 years
Added to E-Catalogaugust 2016july 2016

Functions

Among the functions of the water heater there are thermostat, water flow regulator, Smart (auto mode), programmer, display and control via the Internet. More about each of them

— Thermostat. A device that allows you to control the temperature of the water at the outlet of the heater. In storage models (see "Type"), the thermostat sets the maximum temperature for heating water in the tank; in instant devices, this function is carried out by changing the intensity of heating.

— Automatic water flow regulator. It is used in instant water heaters. Since the water in such devices heats up in the process of its movement through the heater, the higher the speed of water movement (the greater the pressure), the lower the heating temperature, and if the pressure is too high, the power of the device may simply not be enough for effective heating. The use of an automatic water flow regulator avoids this — this system regulates the speed of water movement through the heater, limiting it if necessary.

— Smart (auto mode). A special “smart” mode in which the boiler is controlled (primarily the intensity of heating) automatically. Specific features of this mode may vary depending on the model. However, the following format of operation is most common: during...the first week of use, the device remembers at what time of the day the hot water was used, and then the heater’s operating mode adjusts to this data. Thus, the water heater provides the user with hot water at the right time and, at the same time, does not waste energy on heating during hours when heating is not needed.

— Programmer. The presence of a programmable thermostat — a device that allows not only to maintain the temperature but also to programme the operation of the device for a certain period. The simplest programmers work like a timer, turning on at the right time (vacation or holiday mode, when the device is not active for several days, and when the family returns to the house, it will turn on and heat the water). More advanced ones allow you to set the mode of operation for individual days. Either way, this feature provides added convenience and eliminates the need to constantly adjust the operation of the device manually. On the other hand, the presence of a programmer affects the cost.

— Display. Usually, a simple LCD screen with a few characters is used as a display. However, even such equipment significantly increases the convenience and information content of management. Various service data can be shown on the display — from the temperature of the water in the tank to messages about malfunctions and failures. This feature slightly increases the cost of the device, but compared to the total cost of the heater, this moment is usually insignificant.

— Control via the Internet. The specific nuances of such control may vary: for example, some models use a special application installed on a smartphone or tablet, while others can work through a regular browser from any computer. However, this function allows you to control the heater from almost anywhere in the world — provided that there is access to the Internet. In addition, with this control, the user can also monitor the status of the device and receive various notifications (on and off, about the temperature of the water in the tank, about various problems, etc.).

Controls

- Mechanical. Manual control using rotary knobs and mechanical buttons. Models with mechanical controls are inexpensive, but the control capabilities themselves are quite limited and, as a rule, include only basic functions.

- Electronic. This control is carried out using an electronic unit. Electronically controlled heaters, as a rule, have a wider range of functions than their “mechanical” counterparts; they can be programmed and equipped with a display to indicate various parameters. On the other hand, with all other characteristics being equal, such heaters are much more expensive.

Controls layout

Location of heater controls. It is worth choosing by this parameter, taking into account where it is planned to install the device and from which side access to it will be most convenient. For example, when installed in cramped conditions, the water heater can only be opened from the side or the bottom; for such cases, it is worth looking for a model with the appropriate location of the controls.

Remote control

Ability to use the remote control with the water heater. The presence of such a remote control in the delivery set should be specified separately, as well as its type — wired, IR or radio; some models support several types of remotes at once, which allows you to choose the option at the discretion of the user.

The convenience of this function is obvious — it allows you to change the operation settings remotely, without going to the device itself. It can be especially useful if the heater is installed in a hard-to-reach place — for example, behind a cabinet. On the other hand, the presence of a remote control significantly affects the cost of the unit, and the real need for such control is relatively rare. Therefore, such models are rare.

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.
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