Comparison Willer PU30R Optima Mini vs NOVAtec NT-CU 30

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	Willer PU30R Optima Mini	NOVAtec NT-CU 30
	Outdated Product	Outdated Product
all specs only differences
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Type	storage	storage
Energy source	mains	mains
Installation	vertical	vertical
Tank volume	30 L	30 L
Tank shape	rectangular	rectangular
Technical specs
Power source	230 V	230 V
Power consumption	1500 W	1500 W
Max. water temperature	75 °C	75 °C
Tank lining	enamel	enamel
Water supply	with pressure	with pressure
Heating time	73 min /at ∆t=50°С/	60 min /at Δt=40°C/
Magnesium anode
Heating elements	1	1
Heating element type	wet heater	wet heater
Features
Functions	thermostat	thermostat
Safety systems	overheat protection	overheat protection
General specs
Controls	mechanical	mechanical
Controls layout	front	front
Pipe connection	top	top
Dimensions (HxWxD)	45x45x38.8 cm /weight — 13.8 kg/	43.5x43.5x37 cm /weight - 10.9 kg/
Added to E-Catalog	january 2018	january 2018

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.