Bosch Series 8 IDOS 10.5kg Washer / 6kg Dryer 1400 Spin - Graphite | WNC254ARGB

• Which? Best Buy - washer dryers, November 2025
• 10.5 kg wash capacity, 6 kg dry capacity
• Energy Class A for washing cycle
• i-DOS - automatic detergent and softener dosing per load
• Hybrid FlexAir - up to 34% energy saving on drying
• Iron Assist - natural mist reduces creases after drying
• SpeedPerfect - cuts cycle time by up to 65%
• EcoSilence Drive with 10-year motor warranty
• Home Connect Wi-Fi app control and notifications
• AquaStop lifetime leak protection
• 70 dB(A) wash noise - Quiet Mark certified
• 5-year warranty available with Bosch online registration
• Warranty: 2 years standard; 5 years with Bosch online registration (see terms)
• Dimensions: 848 x 598 x 622 mm

Bosch Series 8 Washer Dryer with i-DOS and Hybrid FlexAir Technology

A Which? Best Buy washer dryer for November 2025:

The Bosch WNC254ARGB earned a Which? Best Buy award in November 2025, making it one of the most thoroughly tested washer dryers on the market. It combines a 10.5 kg washing capacity with a 6 kg drying capacity in a single freestanding unit, and carries an Energy Class A rating for the washing cycle - the highest available rating for washing performance.

i-DOS automatic dosing - no more measuring:

Fill the integrated detergent and softener compartments once, and the i-DOS system takes care of the rest. Sensors measure the load size and fabric type, then dispense the precise amount of detergent and softener needed for each individual cycle. This reduces detergent waste, prevents over-sudsing, and cuts down on unnecessary rinse cycles - saving both water and running costs over time.

Hybrid FlexAir drying - efficient condenser performance:

The Hybrid FlexAir system selects the most energy-efficient drying mode available based on ambient conditions, saving up to 34% energy compared to standard condenser drying. AutoDry sensors monitor moisture levels inside the drum and stop the cycle automatically when clothes reach the target dryness level, helping to protect fabrics and avoid over-drying. The drying efficiency class is D for the combined wash-and-dry cycle.

Iron Assist and SpeedPerfect - practical time-savers:

Iron Assist introduces a fine natural mist into the drum during the drying phase, helping to relax fibres and reduce creases so that less ironing is needed afterwards. SpeedPerfect can cut the duration of a standard wash cycle by up to 65% without adjusting the wash temperature or compromising on cleaning results - useful when a quick turnaround is needed. The Reload function lets you pause a running cycle to add any items that were left out at the start.

EcoSilence Drive and AntiVibration Design - quiet in everyday use:

The EcoSilence Drive motor operates at 70 dB(A) during the wash cycle and carries its own 10-year warranty from Bosch as a separate component. The AntiVibration Design side panels add structural rigidity to the cabinet, reducing vibration and noise during high-speed spinning. The drive motor is also Quiet Mark certified, which is an independently assessed noise standard.

Home Connect app and delay start:

Home Connect Wi-Fi connectivity lets you monitor cycle progress, start or pause the machine, and receive end-of-cycle notifications from your phone. The built-in delay start timer runs up to 24 hours ahead, so you can set the machine to finish at a time that suits your schedule. The LCD display and dial-and-button controls keep day-to-day operation straightforward.

Safety and protection features:

AquaStop provides continuous leak protection for the lifetime of the machine - if a fault is detected in the inlet hose, the water supply is cut off automatically. Child lock prevents accidental programme changes mid-cycle, and foam detection adjusts the cycle if excess suds are sensed. Unbalance control monitors drum balance during spin to protect both the machine and the load.

Five-year warranty with registration:

The WNC254ARGB is covered by a 5-year promotional warranty from Bosch when purchased between 01 April 2026 and 31 March 2027 and registered online within 3 months of purchase. Without registration, a 2-year guarantee applies as standard. See Bosch's website for full registration terms.

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Functions and Programmes

• Number of programmes: 12
• Basic washing programmes: Cotton, Synthetics, Easy Care
• Special washing programmes: Eco 40-60, HygieneCare, Delicate/Silk, Wool/Hand wash, Sportswear
• Extra programmes: Quick wash (45 min / 1 kg), Drum Clean, Drain/Spin
• Additional functions: SpeedPerfect, i-DOS, Iron Assist, Reload, Extra Rinse, Single Rinse, Prewash, AntiStain, Easy Iron, Memory, Stain Automatic, Delay Start (up to 24 hours)

Key Features

i-DOS Automatic Dosing - sensors dispense the precise amount of detergent and softener per cycle, reducing waste and over-sudsing.
Hybrid FlexAir Drying - selects the most energy-efficient drying mode; saves up to 34% energy versus standard condenser drying.
AutoDry - moisture sensors stop the drying cycle when clothes reach the target dryness level, protecting fabrics.
Iron Assist - natural mist treatment during drying reduces creases, cutting down the amount of ironing needed.
SpeedPerfect - reduces wash cycle time by up to 65% without changing the wash temperature or result quality.
EcoSilence Drive with 10-Year Motor Warranty - quiet, brush-free motor with its own separate 10-year Bosch warranty.
Home Connect - Wi-Fi app control for remote monitoring, starting, pausing, and end-of-cycle alerts.
AntiVibration Design - reinforced cabinet panels reduce vibration and noise during high-speed spin cycles.
AquaStop - lifetime leak protection cuts water supply automatically if a fault is detected in the inlet hose.
Reload Function - pause and resume a running cycle to add forgotten items.
ActiveWater Plus - automatically adjusts water volume to suit load size and fabric type.
Delay Start (24 hours) - set the cycle to finish at the most convenient time.

Specifications

• Brand: Bosch
• Model: WNC254ARGB
• Series: Series 8
• Type: Freestanding washer dryer
• Colour: Graphite
• Washing capacity: 10.5 kg
• Drying capacity: 6 kg
• Drum volume: 65 litres
• Maximum spin speed: 1400 rpm
• Minimum spin speed: 400 rpm
• Energy efficiency class (washing): A
• Energy efficiency class (wash and dry combined): D
• Energy consumption per 100 washing cycles (Eco programme): 52 kWh
• Energy consumption per 100 wash and dry cycles: 305 kWh
• Water consumption per 100 washing cycles: 50 litres
• Water consumption per 100 wash and dry cycles: 75 litres
• Noise level: 70 dB(A) re 1 pW
• Noise class: A
• Spin performance rating: B
• Drying performance rating: B
• Remaining moisture content: 53%
• Wash cycle time (Eco programme): 240 minutes
• Full wash and dry cycle time: approximately 498-500 minutes
• Quick wash: 45 minutes (1 kg load)
• Drying type: Condenser
• Loading: Front loading
• Water supply: Cold fill only
• Controls: Dial and button
• Display: LCD
• Delay start: Up to 24 hours
• Wi-Fi / App: Yes - Home Connect
• Child lock: Yes
• AquaStop: Yes
• Foam detection: Yes
• Unbalance control: Yes
• Cable length: 182 cm
• Hose length: 1.5 m
• Dimensions (HxWxD): 848 x 598 x 622 mm
• Weight: 84.8 kg
• Country of origin: China
• EAN: 4242005349180
• Warranty: 2 years standard; 5 years with Bosch online registration (see terms)

What's Included in the Box

• Bosch Series 8 WNC254ARGB washer dryer (graphite)

Setup and Care

Installation:

The WNC254ARGB is a freestanding front-loading unit and requires a cold water inlet connection and a drain outlet. The machine fits a standard 600 mm appliance recess width. Professional installation is recommended, particularly for the water connections and levelling on uneven floors.

Levelling and stability:

Adjust the four feet at the base of the machine until it sits level on the floor - this is important for stable operation during the spin cycle and helps reduce vibration. AntiVibration Design panels further assist with stability once the unit is correctly levelled.

Detergent and softener:

When using i-DOS, fill the dedicated liquid detergent and softener reservoirs directly - do not use powder detergent in the i-DOS compartments. For manual dosing cycles, use the standard drawer and follow the detergent manufacturer's guidelines for load size and water hardness.

Routine care:

Run the Drum Clean programme periodically to keep the drum fresh. Wipe the door seal and detergent drawer after use to prevent residue build-up. The condenser filter should be checked and cleaned as directed in the user manual to maintain drying efficiency over time.

We are pleased to offer FREE delivery on orders over €499.00 to anywhere in the Republic of Ireland and Northern Ireland, and our Click & Collect service is FREE on all orders.

All items are shipped from the Athlone Warehouse in Co. Westmeath, Ireland so no import duties apply to the island of Ireland.

Delivery Costs to Republic of Ireland are €6.99 for orders Under €499.00

Same Day Dispatch €9.99
Orders placed before 12pm are dispatched the same working day, helping your items reach you sooner. Excludes bulky items.

Large Bulky Items
Please be aware that large, bulky items (large appliances, white goods, etc.) have a delivery charge of €39.99 for bulky items or €59.99 for extra bulky items to ROI

- We are now delivering to Northern Ireland with all delivery costs equal to the Republic of Ireland.

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Due to our valued customer feedback, we have updated and improved our Returns Policy.

We now offer an exhange or refund on goods purchased online, and returned 14 days after purchase. 

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