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Serie | 8 Washing machine, front loader 9 kg 1400 rpm WAW28790AU


Recommended retail price

The premium washing machine with ActiveOxygen™: removes up to 99.99%* of germs and bacteria even at low temperatures


ActiveOxygen™: Removes up to 99.99* of germs and bacteria – even at low temperatures. You can also refresh your delicates without washing.

*Up to 99.99% reduction of E. coli, C. albicans, S. enterica, A. brasiliensis, S. aureus, bacteriophage MS2 in the washing programme "Mix cold" with liquid laundry detergent at recommended dosage and a load size of 4 kg – investigation MB 7623/15 dated July 29th, 2015 conducted by wfk-Institut für Angewandte Forschung GmbH commissioned by BSH Hausgeräte GmbH.

VarioPerfect™: Wash faster or more energy efficiently.

Through its perfect program range, VarioPerfect ensures top wash results for all types of fabrics and every load. With VarioPerfect, you can set most programs to be quicker or more efficient with the SpeedPerfect and EcoPerfect functions. This reduces time by up to 65% or energy by up to 50%.

AntiVibration™ side walls: more stability and less vibration.

The design of the side walls is not only eye catching: the system also provides greater stability and reduces vibration. The enhanced insulation also regulates noise levels, making Bosch washing machines very quiet even during the spin cycle.

AquaStop: Guaranteed life-long protection against water damage.

The AquaStop System consists of a special double-walled feed hose, a safety valve and a floor tank with float switch and provides 100% protection against water damage – guaranteed by Bosch for the life of your appliance.

ActiveWater™ Plus: Technology that saves money and the environment, thanks to the efficient water management system.

ActiveWater™ Plus technology takes this to the next level of intelligence boasting up to 256 load levels, which can detect the precise amount of water flowing into the machine. This means that 1kg of laundry can be washed just as efficiently as a full 8kg load.

EcoSilence Drive® : powerful, durable, quiet and efficient.

Setting a new benchmark in energy efficiency, the EcoSilence Drive® motor works without brushes to eliminate mechanical stress, friction and wear, providing better washing performance. As there is no friction, there is also no excessive motor noise. That makes the EcoSilence Drive® one of the quietest motors in its class and the best example that 'less can indeed be more'.

Never miss an item again, with Reload.

Forgot a kid’s sock, your t-shirt,..? Nevermind.

When was the last time, you just loaded the washing machine, started the wash cycle and then realised that you forgot a kid’s sock or a t-shirt? The reload function in our washing machines lets you simply add missed out clothes or remove clothes even during a wash cycle*. Just pause the running cycle and open the door, to simply reload your forgotten items into the drum and continue the wash.

(*Reloading is not possible when suds temperature is higher than 50°C or when water level is too high.)


Technical Specifications

  • Capacity: 9 kg
Consumption rates
  • 4.5 Energy Stars
  • 4.5 Star water rating (WELS)
  • 77 l water consumption per wash and 269 kwh Energy Consumption p.a. on Cotton 60C, EcoPerfect, RinsePlus, 1400 r/min wash program
  • Cottons
    Easy Care
    Rinse/Freshen Up
    Active Oxygen Refresh
    Mixed Fabrics
    Night Wash
    Super Quick 15'
    Drum Clean with reminder
  • Wash options include:
    Prewash, Spin speed adjust, , Start/Reload, Temperature Selection, SpeedPerfect, EcoPerfect, Easy Iron, Rinse Plus, HygienicSteam-Antibacteria
  • ActiveOxygen Technology: Removes up to 99.9% bacteria at low washing temperatures - including your delicates
  • Eco Silence Drive motor : more energy efficient, durable and quiet
  • VarioPerfect™: high performance programmes which allow you to clean your laundry with up to 50% less energy or reduce cleaning time by up to 65%
  • ActiveWater™ Plus: resource efficient water management system
  • AntiVibration Side Panels reduce vibrations and noise levels, making it extremely quiet during the spin cycle
  • Consumption Indication: Information about energy and water consumption for program selected
  • Maximum spin speed: 1400 (rpm)
  • VarioDrum's breakthrough wave-droplet design provides a thorough yet gentle clean for fine textiles
  • Large LED-Display for programme status indication, temperature selection, max. spin speed, remaining time and 24 h end time delay, ActiveOxygen activation and consumption indication
  • DrumClean with reminder function
  • Reload/Pause function
  • Self-cleaning detergent drawer to remove detergent residue
  • Child-proof lock
  • Advanced AquaStop™ 100% anti-flood protection system
  • Large 32 cm porthole, silver-black grey with 171° door for easy loading/unloading
  • LED drum interior light
  • Control dial with integrated On / Off mode
Technical Information
  • Dimensions (H x W x D): 84.8 cm x 59.8 cm x 59.0 cm (63.4 cm with door frame)
More Info
Dimensions of the product (mm) 848 x 598 x 590 mm
Installation typology Free-standing
Capacity (kg) 9.0 kg
Max. spin speed 1,400 rpm
List of programmes Delicates programme, Easy-care programme, Whites and coloureds programme, Woollens hand wash programme
Cottons programme Economy, Standard cold - 90°C
Easy-care programme Standard cold - 60°C
Wash optimization AllergyPlus / Hygiene, Easy iron, EcoPerfect, Extra rinse, Night Wash, ON, Prewash, quick wash/mixture, rapid 15 min, Ready, shirts, SpeedPerfect, Spin speed reduction, sports, start/pause, Temperature selection
Digital countdown indicator
Start delay options Continuous
Noise level washing (dB(A) re 1 pW) 48 dB (A)
Noise level spinning (dB(A) re 1 pW) 72 dB (A)
Door hinge Left
Water protection system Aquastop
Hot & cold water intake
Interior light
Removable top
Length electrical supply cord (cm) 160 cm
Available languages display English, Symbols
Home Connect
Length electrical supply cord (cm) 160 cm
Frequency (Hz) 50 Hz
Hot & cold water intake
Plug type AU plug
Construction type
Color / Material body White
Color / Material panel White
Construction type Free-standing
Door hinge Left
Installation typology Free-standing
Loading type Front
Removable top
Tub material Plastic
Size and weight
Capacity (kg) 9.0 kg
Depth with open door 90 degree (mm) 1,063 mm
Dimensions of the product (mm) 848 x 598 x 590 mm
Drum volume (l) 65 l
Height-adjustable by 1.20 cm
Net weight (kg) 73.970 kg
Programme end indication Acoustic, LED-display
Loading sensor
Degree of dirtiness recognition
Digital countdown indicator
Drying progress indicator LED-display
Noise level spinning (dB(A) re 1 pW) 72 dB (A)
Noise level washing (dB(A) re 1 pW) 48 dB (A)
Turbidity sensor
Start delay options Continuous
Self adjusting water level to load
Cold wash option
Electronic After-sales Service
List of programmes Delicates programme, Easy-care programme, Whites and coloureds programme, Woollens hand wash programme
Cottons programme Economy, Standard cold - 90°C
Easy-care programme Standard cold - 60°C
Separate temperature control options Steps
Wash optimization AllergyPlus / Hygiene, Easy iron, EcoPerfect, Extra rinse, Night Wash, ON, Prewash, quick wash/mixture, rapid 15 min, Ready, shirts, SpeedPerfect, Spin speed reduction, sports, start/pause, Temperature selection
Water plus
Max. spin speed 1,400 rpm
Spin speed options Variable
Skip spin
Balance control
Foam control
Water protection system Aquastop
Consumption values
Total annual energy consumption 269.0 kWh
Energy consumption kWh 30C delicates (kWh) 0.25 kWh
Energy consumption kWh 30C woollens (kWh) 0.20 kWh
Energy consumption kWh 40C colour (kWh) 1.25 kWh
Energy consumption kWh 40C easy care (kWh) 0.80 kWh
Energy consumption kWh 95C cotton (kWh) 2.60 kWh


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Quality comes from experience

No single appliance leaves our factory until it has been proven to meet our high standards of quality, performance and sustainability. A small amount of residual water may be present in the machine as a result of the individual Quality Tests.

10 Year EcoSilence Drive® motor warranty

The EcoSilence Drive® is Bosch's most powerful motor to date. Instead of supplying electricity to the rotating armature via carbon brushes, we equipped the armature itself with extremely strong permanent magnets. As a result, we are able to offer a 10-year motor warranty on washing machine models that feature the EcoSilence Drive®.

Made in Germany

Made in Germany

‘Made in Germany’ stands for high-class workmanship. We never compromise, so we wouldn’t expect you to either. That’s why all of our appliances have innovative features designed to make your life at home easier.

Award-winning quality

Bosch was named Best Brand 2017 for washing machines by CHOICE®, as equal top performer in the category. The award is based on CHOICE® performance test results, as well as 2017 customer satisfaction and reliability information submitted by CHOICE® members.

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