. What stands out The Andris Lux is the UK's market leading electric water heater within its category. As Ariston's flagship electric storage water heater Andris Lux is available in a wide choice of oversink & undersink models in capacities of 6 10 15 & 30 litres ensuring it is suitable for a range of domestic & light commercial applications.. Andris Lux hot water heaters are renowned for safety durability comfort & design. Each unit's compact light-weight body & front panel are the finest composition of Italian design studied to complement any environment. The black gloss front panel takes centre-stage with the Ariston wave while each electric storage water heater is equipped with a mechanical dial for simple usability & an Ariston red heating lamp. If you have a handwashing sink which requires a constant supply of warm water or need an additional method of heating water at home this Ariston water electric heater could be the perfect solution. Unlike old-fashioned immersion heaters which sit above the sink this modern water heater is concealed under the sink & can heat up to 10 litres of water with its 2 kilowatt heating element.. The heater is small & compact & will fit effortlessly into even the smallest kitchen or bathroom space. Ariston have worked hard to make this water heater as environmentally friendly as possible with an eco setting to help you heat water & save energy at the same time. They have also designed the water heaters to be easy to install in just 10 steps & even easier to operate. This is a durable & reliable heater which comes with a 3 year guarantee on the tank itself & offers an economical way to get hot water at the touch of a button. Those technologically advanced versatile mains pressure water heaters are ideal for localised use. The Andris Lux can be used where hot water is required but where it is not convenient to enlarge the existing central hot water system or where there is no central system at all. For example small industrial units warehouses dentists' & doctors' surgeries cafes & certain residential situations such as extensions loft conversions etc. Ariston Andris Lux 3100306 10L Electric Under Sink Water Heater Features. Modern cutting-edge & stylish design Easy to operate with mechanical dial'E' setting on the dial to optimise comfort & energy saving Copper heating element (Nickel free) Titanium enamelled tank & 4-bolt flange for robustness & durability Heating lamp to show the heating cycle is in process Fast reheat times Installation in 10 easy steps Complete with 3 years tank and; 1 year on electrical components guarantee Optional accessories kits sold separately. KIT A 2 Litre expansion vessel & non-return valve. Expansion Vessel with non return valve – use if pipework between cold water inlet on the heater & cold tap on the sink is less than 2.8 meters. KIT B Preset 3.5 bar pressure reducing valve. Pressure reducing valve if mains inlet water pressure is more than 3.5 bars or unsure of the water pressure. The discharge water pipe must be run through an exterior wall & terminate in a safe place such as water drains. KIT C Discharge Tundish use if the excess water pipe is of excessive length The details Undersink or Oversink?. The only difference here is where the pipe inlets & outlets are the undersink versions have the connections at the top of the unit & of course the oversink versions will have these connections at the bottom. So this decision is purely down to where you intend to site the water heater Essential Info. Er P BElectric Water Heater Manufacturer Product Number 3100306 Weight (kg) 6.7 Product Height (mm) 385 Product Width (mm) 360 Product Depth (mm) 298..