Bosch 4000S Internal 16L

The Bosch 4000S is a room-sealed continuous flow water heater, with fluing flexibility that allows installation close to the point of use.

Compact European design with a 6 star energy efficiency rating, the Bosch 4000s 16L is a room sealed appliance which uses continuous flow technology. With fluing flexibility this allows the unit to be installed within a variety of internal applications.


  • 6 star efficiency
  • Room sealed appliance
  • Inbuilt temperature controller
  • Electronically controlled modulation
  • Delivers 16L/min at a 25˚C temperature rise
  • Suitable for 1-2 bathrooms
  • Dimensions (WxDxH) 364 x 175 x 568mm