Duplex 420 - Floor Scrubber

Most Versatile!
The Duplex 420 is popular for use in many industries or environments including:
  • • Building Entrances

  • • Long Corridors

  • • Hotel Rooms

  • • Hospital Wards

  • • Nursing Homes

  • • Pubs and Club

  • • Gymnasiums

  • • Contract Cleaners


Thorough Edge to Edge Cleaning
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Clean Large Areas Easily
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Carpet Cleaning
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Hotel Bathroom Cleaning
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Accommodation / Aged Care Cleaning
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  • Clean from Edge to Edge
  • Clean Large Areas Easily
  • Airport Terminal Carpet Cleaning
  • Warehouse Cleaning
  • Ideal for Sports Venues


Duplex 420 floor scrubber


Good, Fast, Easy Cleaning on all floors


A Duplex 420 is a medium sized all-in-one floor scrubber / washer / dryer that makes floor cleaning faster and easier than ever before. Compact size combined with outstanding manoeuvrability and great efficiency in small or large areas makes the Duplex 420 by far the most popular floor cleaner in the Duplex range.

Whether it be a difficult hard floor like profiled tiles or a short pile domestic carpet, this amazing machine can clean them all. With a Duplex 420 there is basically no set up time either. Simply fill the two solution tanks with water, select your floor setting, pull back the handle and start cleaning. It really is that easy.

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Duplex 420 Floor Scrubber Highlights

Duplex 420 cleans to the very edge
Cleans to the Very Edge
Duplex 420 tanks produceseffective cleaning
Dual Water Tanks
Duplex 420 can penetreate deep into porous surfaces
Steam Penetrates Deep Into Pores
Duplex 420 conveyor belt picks up dirty water with a relative ease
Dual Conveyor Belt & Brush Pick-Up
Duplex 420 machine can be adjustable
Adjustable Height
Fingertip control in Duplex 420
Fingertip Control











Profiled ceramic




Profiled rubber


Natural stone


Safety floors




Unique Features
Duplex 420

The Italian designed and manufactured floor cleaner is constructed using the highest quality components and engineering. With 15 patented designs, this high-end, commercial cleaner will last you for decades to come and provide a clean like no other.


Cleans to the Very Edge

The unique offset brush design and two way handle allows cleaning to the very
edge where floor meets wall.

Duplex cleans to the edge

Conveyor belt clean

Dual Conveyor Belt & Brush Pick-Up

Our double conveyor belt and brush pick up systems allows for dirty water to be lifted up from deep within the floor surface and easily transported from the floor directly into the central recovery tank.

Dual Water Tanks

Water tanks are easily accessible and removable, for fast refilling and emptying.

Dual water tanks

Adjustable cleaning height

Adjustable Height

Duplex features simple recessed controls for instant adjustment to clean a variety of floor surfaces.

Steam Penetrates Deep Into Pores

With optional steam kit, the Duplex can penetrate deep into pores of the surface, degreasing and removing hidden dust, germs and stubborn stains.

Steam penetrates deep into pores of surfaces

Fingertip control in cleaning

Fingertip Control

The ergonomically designed Duplex handle incorporates a cleaning solution trigger which, under fingertip pressure, releases cleaning solution uniformly along both agitator brushes to begin cleaning cycle.

Regular Service and Spare Support

To ensure that your machine will continue to run effectively and efficiently, we recommend that your machine be booked in for a service with your local Duplex dealer every 6 months.

regular servicing of Duplex floor cleaner


Warranty and Backup

Your machine is covered by manufacturer's warranty for one year from the purchase date.
The warranty covers fabrication defects, and all our service work is carried out by Duplex approved engineers.

Additional Tools and Accessories


impervious carpet backing makes vacuum extraction of dirt less effective- so using our Flotex Clean It solution, completes the process effectively

Clean It

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Transport Trolley for transporting Duplex machine effortlessly

Transport Trolley

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remove deep stains, stubborn inground dirt and grime- sanitise and rejuvenate floors

Steam Kit

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new cleaning machine brushes available from Duplex

Duplex Brushes

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aqua tank for portable pressure washing in  locations where there is no power, this machine is powered by a rechargeable battery

Aqua Tank

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stains displaced and flotex deodorised, with our purpose-made solution

Fix It Chemical

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our cleaning machines and steam vacuum cleaners meet smart approved water mark criteria

Duplex now have the "Smart Approved WaterMark" stamp

Smart Approved WaterMark is Australia’s water conservation label. This allows businesses to purchase products that save water, and actively engage in the efficient use of water. Our Duplex machines are the first of its kind steam generators and multi-floor cleaners to feature the Smart Approved WaterMark stamp. Learn more

Technical specs


Duplex 420

Width (mm) 420 mm
Length (mm) 430 mm
Height (mm) 240 mm
Weight empty (kg) 27 kg
Clean solution capacity (litre) 6 lt
Recovery tank capacity (litre) 3.5 lt
Cylindrical brush diameter (mm) 100 mm
Cylindrical brush width (mm) 350mm
Electrical induction motor tropicalised winding Single - Phase
Insulation class
Voltage (V) 220/240V
Frequency (Hz) 50 Hz
Max Power (W) 900 W
Pressure on floor (g/cm2) 185 g/cm2
Theoretical working surface area (m2/h) 350 m2/h


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