Domestic hot water comfort with Bosch

Bosch, the inventors of continuous-flow gas hot water systems, offer high-quality, high-efficiency hot water systems for South African homes and businesses. 
Bosch range of W2 gas water heaters for domestic useThese gas hot water systems are among the most economical in the market. High efficiency ratings mean you’ll save on running costs while lowering your impact on the environment.

Whether you’re renovating, building a new home or replacing your existing hot water system, Bosch Hot Water has a gas water heater to suit your needs.

The Bosch W2-Range of gas water heaters are now equipped with an automated and fully modulating control system for unsurpassed Domestic Hot Water (DHW) comfort.

Maximum efficiency

Operating with an energy efficiency of up to 95% the W2-Range of gas water heaters economically provide domestic hot water on demand. Bosch tankless water heaters are wall-mounted to save space and the technology only uses gas to heat the water when there is a demand. The W2‘s innovative features ensure maximum performance to provide virtually endless hot water.


  • Improved energy factor to 0.95
  • Superior temperature stability achieved with the introduction of an active bypass
  • Condensing and non-condensing models
  • Improved venting options. Concentric up-and-out for single water heaters and common vent system for 2 to 12 cascaded systems.
  • Tank loading possible
  • Anti-freeze protection
  • Outdoor mountable with outdoor kit
  • Wireless remote option
  • Full range of venting accessories

Advantages at a glance

  1. Powerful

However large or small your hot water requirements are – Bosch has the appliance with the output to suit.

  1. Economical

Instantaneous water heaters only use energy when hot water is used.

  1. Safe

The built-in thermoelectric flame-failure device prevents gas leaking if the pilot light goes off.

  1. Convenient

Hot water wherever and whenever needed.

  1. User-friendly

Electric pilot light produces instantaneous hot water as soon as you turn on the tap.

  1. Compact

Attractive and compact design saves space and makes these appliances ideal for both old and new properties.

  1. Versatile

Whichever option you choose – point of use or central supply – Bosch has the right water heater for you.

  1. Very little power needed

Although the W2 needs a mains connection due to the fan pressurised system, this requirement can easily be catered for during mains failure by utilising a standard computer type UPS.

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