Bosch 21E


  • 5.56-star energy efficiency
  • Continuous flow technology
  • Delivers 21 L/min at a 25°C temperature rise
  • Compact design
  • Install up to 4 optional temperature controllers
  • Suitable for 1-2 bathroom homes
  • 55°C model standard (50°C-limited model available)
  • Antifrost included with all models
  • External installation only
  • Solar compatible without the need for a solar transfer valve
  • Comprehensive warranties

Product Specifications

Product Code:  21e
Installation: External
Ignition: Electronic
Mj/H: 170
Temp. Controller: up to 4
Gas Type: NG & LPG

Product Dimensions

Height: 520mm
Width:  350mm 
Depth: 170mm
Weight: 19kg
Warranty (parts&labours): 3 years
Warranty (heat exchanger, parts only): 10 years

Bosch 21E

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