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  • ARISTON LYDOS PLUS 100V 100 l 1.8 kW electric water heater, vertical, 3201871

ARISTON LYDOS PLUS 100V 100 l 1.8 kW electric water heater, vertical, 3201871

330.00 EUR  277.00 EUR
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ARISTON LYDOS PLUS 100V Electric Water Heater 100 L, 1.8 kW, Vertical, 3201871

ARISTON LYDOS PLUS 100 V 1.8K EN EU is a vertically wall-mounted electric storage water heater with a nominal capacity of 100 litres, electronic control and intelligent functions designed to provide comfortable hot-water production while optimising energy consumption. For the exact LYDOS PLUS 100 V 1.8K EN EU model, ARISTON's official product documentation specifies product code 3201871, 1.8 kW heating output and a 230 V power supply.

LYDOS PLUS incorporates WaterPlus technology, designed to reduce the mixing of incoming cold water with the hot water already stored in the tank. Cold water is kept in the lower part of the cylinder, helping preserve the layer of hot water above it for longer. According to ARISTON, WaterPlus can provide up to 16% more usable hot water compared with a conventional water heater of the same nominal capacity.

The intelligent ECO EVO function analyses the user's hot-water habits and adapts the heating operation according to actual demand. This helps reduce unnecessary electricity consumption during periods when hot water is not required. ARISTON states that ECO EVO can provide up to 14% energy savings under suitable operating conditions.

The water heater features a SHOWER READY function that informs the user when sufficient hot water has already been prepared for a shower. This makes it possible to start using hot water before the entire 100-litre storage tank has reached the selected temperature.

The front of the appliance incorporates an electronic Soft Touch control display for viewing and adjusting the water temperature. ARISTON's official LYDOS PLUS information also highlights precise electronic temperature control for convenient everyday operation.

For long-term durability, LYDOS PLUS uses TitanShield technology. The inside of the storage tank is protected by titanium enamel, while a large magnesium anode provides additional protection against corrosion. Together, these components help protect the tank and maintain the performance of the water heater over its service life.

For the 100-litre version, heating time at ΔT = 45 °C is 2 hours 46 minutes. Maximum operating temperature is 80 °C, while standing heat loss at 65 °C is 1.56 kWh/24 h. The model is rated energy efficiency class B with an M load profile.

The LYDOS PLUS 100 V measures 885 × 450 × 470 mm (height × width × depth) and has a net weight of 24 kg. Its electrical protection rating is IPX3, and it is designed for vertical wall mounting.

Main advantages

  • Nominal capacity 100 L
  • Electric storage water heater
  • Vertical wall mounting
  • 1.8 kW heating output
  • 230 V power supply
  • WaterPlus technology
  • Up to 16% more usable hot water
  • Intelligent ECO EVO energy-saving function
  • Up to 14% potential energy savings
  • SHOWER READY indicator
  • Soft Touch electronic controls
  • Electronic temperature control
  • TitanShield protection technology
  • Titanium-enamelled tank
  • Magnesium anode
  • Maximum water temperature 80 °C
  • Heating time 2 h 46 min at ΔT = 45 °C
  • Standing heat loss 1.56 kWh/24 h at 65 °C
  • Energy efficiency class B
  • Load profile M
  • IPX3 electrical protection
  • Product code 3201871

Technical information

ParameterValue
ManufacturerARISTON
SeriesLYDOS PLUS
ModelLYDOS PLUS 100 V 1.8K EN EU
Product code3201871
Product typeElectric storage water heater
Nominal capacity100 L
Installation orientationVertical
InstallationWall-mounted
Heating output1.8 kW
Power supply230 V
Heating time, ΔT = 45 °C2 h 46 min
Maximum operating temperature80 °C
Heat loss at 65 °C1.56 kWh/24 h
Maximum operating pressure8 bar*
Electrical protection ratingIPX3
Energy efficiency classB
Load profileM
WaterPlusYes
Additional usable hot waterup to 16%
ECO EVOYes
Potential energy savingup to 14%
SHOWER READYYes
Soft Touch controlsYes
Electronic temperature controlYes
TitanShieldYes
Titanium enamelYes
Magnesium anodeYes
Height885 mm
Width450 mm
Depth470 mm
Net weight24 kg



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Fastening for water heaters 10x100mm
Fastening for water heaters 10x100mm
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