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  • ARISTON ANDRIS RS 15U/3 EU 15 l 1.2 kW electric water heater, under-sink installation, 3100335

ARISTON ANDRIS RS 15U/3 EU 15 l 1.2 kW electric water heater, under-sink installation, 3100335

150.00 EUR  129.00 EUR
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ARISTON ANDRIS RS 15U/3 EU, product code 3100335, is a compact electric storage water heater with a 15 L capacity and 1.2 kW rated power, specifically designed for installation under a sink. Its compact configuration makes it suitable for placement inside a cabinet beneath a kitchen or bathroom sink, providing a local hot-water supply close to the point of use. For this specific model, ARISTON specifies 15 L capacity, 220–240 V supply, 1.2 kW power and XXS load profile.

The ANDRIS RS range is designed as a compact and straightforward hot-water solution. Water temperature is controlled using an external mechanical regulator, while an immersed thermostat provides accurate temperature management. ARISTON uses a copper heating element, providing good corrosion resistance and reliable long-term operation.

The ANDRIS RS range incorporates TitanShield tank protection with a titanium-enamel coating. A magnesium anode provides additional corrosion protection. A thick layer of high-density polyurethane insulation surrounds the inner tank, helping maintain stored-water temperature for longer and reducing heat losses.

The ANDRIS RS range also incorporates safety solutions, including a double safety thermostat. ARISTON specifies that the products have undergone the required safety testing. A large inspection flange facilitates access to internal components during servicing. The model features characteristic ARISTON Italian design and is manufactured in Italy.

The specific ANDRIS RS 15U/3 EU 3100335 has a maximum operating temperature of 78 °C, maximum working pressure of 8 bar and protection rating of IPX1. Heating time at ΔT = 45 °C is 45 minutes, heat loss at 65 °C is 0.85 kWh/24 h, and weight is 7.4 kg. Overall dimensions A × B × C × D are 360 × 324 × 144 × 78 mm.

The official EU product fiche specifies energy efficiency class B, XXS load profile, water-heating energy efficiency of 33%, annual electricity consumption of 558 kWh, reference thermostat setting of 45 °C and indoor sound power level of 15 dB. EPREL registration number is 108820.

Main advantages

  • Capacity 15 L
  • Rated power 1.2 kW
  • Supply voltage 220–240 V
  • Under-sink installation
  • Compact wall-mounted storage water heater
  • TitanShield tank protection
  • Titanium-enamel coating
  • Magnesium anode
  • Copper heating element
  • Mechanical temperature regulation
  • External temperature regulator
  • Immersed thermostat
  • Double safety thermostat
  • Thick high-density polyurethane insulation
  • Large inspection flange for easier maintenance
  • Maximum operating temperature 78 °C
  • Maximum working pressure 8 bar
  • Heating time ΔT = 45 °C — 45 min
  • Heat loss at 65 °C — 0.85 kWh/24 h
  • Energy efficiency class B
  • Load profile XXS
  • Water-heating energy efficiency 33%
  • Annual electricity consumption 558 kWh
  • Sound power level 15 dB
  • Protection rating IPX1
  • Weight 7.4 kg
  • Dimensions 360 × 324 × 144 × 78 mm
  • Made in Italy
  • Product code 3100335

Technical information

ParameterValue
ManufacturerARISTON
ModelANDRIS RS 15U/3 EU
Product code3100335
Product typeElectric storage water heater
Capacity15 L
InstallationUnder sink
Rated power1.2 kW
Supply voltage220–240 V
ControlMechanical
ThermostatImmersed
Heating elementCopper
Tank protectionTitanShield
Tank coatingTitanium enamel
Corrosion protectionMagnesium anode
Thermal insulationHigh-density polyurethane
Maximum working pressure8 bar
Maximum operating temperature78 °C
Heating time ΔT = 45 °C0:45 h:min
Heat loss at 65 °C0.85 kWh/24 h
Energy efficiency classB
Load profileXXS
Water-heating energy efficiency33%
Annual electricity consumption558 kWh
Reference thermostat setting45 °C
Sound power level15 dB
Protection ratingIPX1
Weight7.4 kg
Dimensions A × B × C × D360 × 324 × 144 × 78 mm
Country of manufactureItaly


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