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Hotpoint-Ariston AURES SF 5.5 COM (3520018)

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A simple, compact, and convenient in everyday use electric tankless water heater with three performance modes and a durable heating circuit. It is positioned as a mid-priced product from the AURES Slim Flow 2019 series, which includes two models with capacities of 3.5 and 5.5 kW. Designed for horizontal wall mounting with bottom communication connections, with the device itself meant to be placed to the left of the sink. Takes up minimal free space and connects to a household single-phase AC power system (220 V). It helps quickly and cost-effectively create a primary or backup hot water supply system in an apartment, cottage, country house, or office. The Hotpoint-Ariston AURES SF 5.5 COM flow heater can operate in three power modes and is designed for connection with a cable with a...conductor cross-section of at least 4 sq.mm (the automatic breaker and meter should be rated for a current of at least 40A). Unlike storage boilers, which take at least several dozen minutes to reach the set temperature, this water heater reaches operating mode in just 10-15 seconds. Capable of maintaining a performance of up to 3.1 liters per minute with water heating by 25 °C (maximum temperature 55 °C). It comes with a shower head and a faucet for the sink.
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Hotpoint-Ariston AURES SF 5.5 COM
Hotpoint-Ariston AURES SF 5.5 COM
Main
Typetankless
Energy sourcemains
Installationvertical
Tank shaperectangular
Technical specs
Power source230 V
Energy efficiency classA
Power consumption5500 W
Heating modes3
Max. water temperature55 °C
Water supplywith pressure
Heating elements2
Heating element typewet heater
Features
Functionsthermostat
Safety systemsoverheat protection
General specs
Controlsmechanical
Controls layoutfront
Pipe connectionbottom
Tap
Shower head
Dimensions (HxWxD)18x29.5x11.5 cm
Weight1.35 kg
Added to E-CatalogMay 2019
P/N
3520018

A simple, compact, and convenient in everyday use electric tankless water heater with three performance modes and a durable heating circuit. It is positioned as a mid-priced product from the AURES Slim Flow 2019 series, which includes two models with capacities of 3.5 and 5.5 kW. Designed for horizontal wall mounting with bottom communication connections, with the device itself meant to be placed to the left of the sink.

Takes up minimal free space and connects to a household single-phase AC power system (220 V). It helps quickly and cost-effectively create a primary or backup hot water supply system in an apartment, cottage, country house, or office. The Hotpoint-Ariston AURES SF 5.5 COM flow heater can operate in three power modes and is designed for connection with a cable with a conductor cross-section of at least 4 sq.mm (the automatic breaker and meter should be rated for a current of at least 40A). Unlike storage boilers, which take at least several dozen minutes to reach the set temperature, this water heater reaches operating mode in just 10-15 seconds. Capable of maintaining a performance of up to 3.1 liters per minute with water heating by 25 °C (maximum temperature 55 °C). It comes with a shower head and a faucet for the sink.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Video reviews
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7 December 2025 
A useful appliance, especially for an apartment during seasonal pipeline repairs or hydraulic tests. The quality of the construction itself is average—it looks quite nice and practical enough, but the plastic controls (dials) are very weak and tend to break after just a few uses. The shower hose is quite stiff, but that's not a critical issue. Regarding the thickness of the cable—do not even think about connecting the appliance with wire less than 4 square millimeters of copper, and even for 4 square millimeters, good ventilation of the wiring is desirable—the wires will heat up when switched to the third setting, meaning when both heating elements are working simultaneously and consumption jumps to 6kW. So connecting the appliance to a regular outlet, even if it's 2.5 square millimeters of copper, is strongly not recommended! When switching on just the first or second heating element, the heating is very weak—only suitable for the hardiest users. You can only get warm water on the third setting when both heating elements are switched on simultaneously. No compromise here.
Design
Very weak plastic adjustment knobs
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