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D400DUO & D400DUOWS - Dishwasher

The simple choice

Simple to use and clean and robust enough to withstand the rigors of any busy kitchen. Capable of washing up to 270 plates per hour.

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D400DUO & D400DUOWS - Dishwasher

More in the box...

The D400DUO & D400DUOWS offer a built in drain pump, rinse booster pump and chemical dispenser. Plus the machine is fully WRAS compliant, with double skinned sides and door reducing noise and heat loss.

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D400DUO & D400DUOWS - Dishwasher

Optional Integral Water Softener

Everything you need for great wash results all in one package. Essential for medium and hard water areas, an integral softener saves space in the kitchen and makes operating your machine even simpler.


  • Easy to use, simple to clean, excellent wash results.
  • Simple two-button control.
  • LCD displays wash & rinse tank temperatures plus wash cycle information.
  • Colour coded display.
  • Chemical Pump.


  • Three wash programmes - light (2 minutes), standard (3 minutes) and intensive (5 minutes).
  • Temperature Interlock guaranteeing correct rinse temperature.
  • Doubled-skinned sides and door for quieter operation & reduced heat loss.
  • Drain Pump.
  • Type AB WRAS compliant.


  • Designed and built Britain.
  • Next working day delivery available.*
  • Supported by a nationwide network of technicians.
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A compact undercounter dishwasher

Compact, front-loading commercial dishwasher with a digital display, three wash programs and full WRAS compliance for effortless and consistently clean results. The D400DUO is an easy to operate, under counter dishwasher with a 400 x 400mm basket that holds nine full-sized plates.

It features three wash cycles light (2min), standard (3min) and intensive (5min) – ensuring that it is optimised for cleaning some of the toughest warewashing requirements.

The Duo range of products all come with drain pumps, rinse booster pumps, built in chemical dispensers and full double skinned construction ensuring they meet all installation regulations and requirements. All Duo models are also available with an optional water softener – an essential requirement in hard water areas. (D400DUOWS)

Key Features

Dimensions: 450 mm x 760 mm x 517 mm Basket Size: 400 x 400 mm

How to Buy

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D400DUO & D400DUOWS - Technical Data at a Glance

A DUO Dishwasher with a 400mm x 400mm basket size. Wash up to 270 plates an hour.

Basket Size 400 x 400 mm
Baskets per hour Up to 30.
Wash Programmes 2, 3 & 5 minute cycles.
Chemical Pump Fitted as standard
Dimensions 470mm (W) x 760mm (H) (790mm max.) x 517mm (D)
Power 30 Amp, Single Phase | 13 Amp, 3 Phase | 12 Amp, Single Phase
D500 D400 taschnischedaten min 2

Technical Details - D400DUO & D400DUOWS

Full technical specification of the D400DUO & D400DUOWS. Our glossary can help you understand the technical terms. Still confused? Just complete the contact form and one our team will be in touch.

Width: 450 mm
Height: 760 mm
Depth: 517 mm
Door Depth - Open: 865 mm
Basket Size: 400 x 400 mm
Rack Size: 400 x 400 mm
Clear entry height: 311 mm
Theoretical max racks per hour: 30
Plates per rack : 9
Number of wash programmes: 3
Duration of wash programmes: 2, 3 & 5 min
Plates per hour: 270
Wash tank element: 2 kW
Rinse tank element: 2.6 kW
Wash tank capacity: 9.77 Litres
Rinse tank capacity: 6.5 Litres
Rinse water consumption at 3 bar: 3 Litres
Wash tank temperature: 55 °C
Rinse tank temperature: 82 °C
Wash pump power: 0.25 kW
Rinse pump power: 0.1 kW
Rinse booster pump: included
Water softener: optional
Hydraulic Specifications
Water supply connection: G3/4" (3/4"Bsp)
Minimum allowed supply water pressure: 0.5 bar (DUO) / 2-4 bar (DUOWS)
Required water flow rate: 11L/min (DUO) & 4L/min (DUOWS)
Minimum incoming water temperature: 4 °C
Maximum incoming water temperature: 55°C
Gravity drain height (from machine base): 40mm
Pumped drain height (from machine base): 540mm
Drain Size: o40mm
Electrical Specifications

Standard Configuration

Amps Required: 13A (1 phase)
Standard Operating voltage: 220-240V / 1N~ / 50Hz
Total connected load: 2.85kW

Optional Configuration

Amps Required: 13A (3 phase)
Standard Operating Voltage: 380-415V / 3N-/50Hz
Total Connected Load: 6.58kW

Optional Configuration

Amps Required: 30A (1 phase)
Standard Operating Voltage: 220-240V / 1N~ / 50Hz
Total Connected Load: 6.58kW
Additional Info
Noise level: < 70 dB
Empty Weight: 40.3kgs
Packed weight: 49.8kgs (DUO) / 51.9kgs (DUOWS)
Fully loaded weight: 46.8kgs
Service: Installation


Contact Us

Have questions about the D400DUO or D400DUOWS, other machines or anything Classeq related? Simply complete the form and we'll get in touch to help.

Alternatively call us on:

Sales: +44 (0)1889 272338
Service: +44 (0)1908 359059
Technical: +44 (0)1889 272337
Spare Parts: +44 (0)1889 272340

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