SNU 5 Plus / SNU 10 Plus

  • Designed for single isolated sink
  • Save energy and water
  • Low minimum standby power consumption
  • To be fitted with specialised open-vented tapware
  • Plug-in appliance for easy installation
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Product Overview

A compact, easy-to-install water heater perfect for kitchens with frequent, small-scale hot water needs. Its anti-drip feature ensures a limescale-free experience on taps and sinks, combining efficiency and convenience in one sleek package. The product has won the Red Dot Award for Product Design in 2023.

Available at:
Or your local plumbing supply store.

Product Details

These compact and stylish small water heaters are ideal for providing hot water to individual fixtures, such as a kitchen sink. These non-pressurised units deliver instant hot water and are compatible only with non-pressurised taps.

Convenience Features
The sleek casing features a stylish surface texture. The high-quality haptic rotary selector allows for precise temperature control. The appliance's anti-drip function helps reduce limescale buildup and water consumption by preventing expansion water from dripping during the heating process. The water-immersed sensor ensures fast and accurate temperature detection. A four-stage temperature limit setting provides flexibility. When the appliance is turned off, an automatic frost protection feature activates. A visual indicator shows when the small water heater is in operation.

High-grade EPS thermal insulation surrounding the polypropylene inner cylinder minimises energy losses. The energy-saving thermostop function prevents unnecessary heating of the tap. Standby energy consumption is exceptionally low.

The Profi-Rapid installation system facilitates quick and easy installation. The compact design aligns with standard mounting points, enabling swift replacement of existing appliances. Straightforward wall mounting is accomplished using a universal mounting rail. Metal threaded water fittings enhance safety. The power cable with a standard plug features a cable storage compartment at the back of the appliance to accommodate excess cable. The unit is splashproof.

The copper tubular heater is durable and has a long lifespan. It has a resettable high limit safety cut-out for safe commissioning and mechanical temperature limit for anti-scalding protection.

Technical Data

Model number SNU 5 Plus SNU 10 Plus
Rated output (240V) 2.2kW 2.2kW
Rated current (240V) 9.1Amp 9.1Amp
Phases 1/N/PE 1/N/PE
Electrical Installation As per AS/NZS3000
Installation requirements AS/NZS3500.4.2 & local requirements
Type of installation Under sink Under sink
Max. tapware permissible pressure 500 kPa 500 kPa
Temperature setting range 35 - 85°C 35 - 85°C
Tank capacity 5 Litres 10 Litres
Mixed water volume at 40°C from single draw off 10 Litres 19 Litres
Standby energy consumption / 24 hours at 65°C 0.19kWh 0.31kWh
IP Rating IP24 IP24
Height 423mm 503mm
Width 240mm 290mm
Depth 212mm 282mm
Weight 2.9kg 4.2kg
Colour White White
Approvals WaterMark Lic No. WMKA00301, AS3498
For one draw off point Yes Yes
Please note: The SNU Plus under sink single point of use water heater is open vented and must be installed with a STIEBEL ELTRON open vented sink mixer.


File Category Type Download
SNU Plus DatasheetData SheetPDF
811.53 kB
SNU 10 Plus Operation Installation Guide and WarrantyOperation and Installation GuidePDF
2.56 MB
SNU 5 Plus Operation Installation Guide and WarrantyOperation and Installation GuidePDF
2.37 MB


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