Vitotherm ES4 Under sink water heater 5l

£307.44 inc VAT

Under sink electric hot water storage heater.

Vitotherm ES4 A5K 5 litre under sink water storage heater.

With a cylinder volume of 5 litres, the Vitotherm ES4 A5K small electric hot water storage tanks are fast suppliers of hot water in the kitchen or office.
Ideal for applications that often require small amounts of hot water.

Features and benefits:

  • For pressurised or non-pressurised installation, simple and fast
  • Designed for installation below a sink/wash basin with water connections pointed vertically upwards
  • 2kW output only requires a 230 volt permanent connection
  • Energy efficiency class A
  • Hygienically and harmless corrosion-resistant stainless steel storage tank
  • Anode does not need to be replaced on a regular basis
  • A short pipe run for fast hot water availability
  • Water temperature adjustable between 23 and 70 °C using the rotary switch


  • Work on electrical equipment must only be carried out by a qualified electrician
  • The system must be commissioned by the system installer or a qualified person authorised by the installer

Description RRP Price Availability Quantity
Vitotherm ES4  Under sink water heater 10l Vitotherm ES4 Under sink water heater 10l RRP: £523.20 Price: £366.24 inc VAT Availability: 1 In Stock Quantity:


Dimension Measurement
Height 427 cm
Width 285 cm
Depth 163 cm
Weight 4.4 kg (Dry)
IP 24

For full Specifications please download the Installation and Operating Instructions.

Buying into Viessmann.

Viessmann use their best endeavours to ensure that their products are manufactured without any manufacturing or material defects.
The standard terms and conditions guarantee that Viessmann will fix or replace any manufacturing or material defects free of charge within a period of 2 years from the date of delivery.

Viessmann Warranty Overview

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