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Gerni Classic 120.5-6PCAD Pressure Washer, 1740PSI

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Gerni Classic 120.5-6PCAD Pressure Washer, 1740PSI Review  |  Q&A  | 


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Quick Overview

Gerni Classic 120.5-6 PCAD Pressure Washer, 1740PSI, 2yr warranty


Product Description

The Gerni Classic 120.5-6 PCAD is for typical domestic cleaning tasks like cleaning of flagstones, stairways, vehicles with a moderate use. It is compact sized and the build-in trolley makes it easy to transport. It also includes a washing brush, Classic Patio cleaner and a Drain and Tube

The Gerni Classic 120.5-6 PCAD has a number of functions that cover basic cleaning needs and is super for tasks around the house and garden such as cleaning of bicycles and small patio.


  • Reliable aluminum pump
  • Pressure regulation
  • Click&Clean system ensures quick change of nozzles
  • Automatic start/stop
  • Light–weight so easy to handle
  • Interactive CD rom included
  • PCAD” means Compact Patio, a fixed brush and a drain and tube cleaner as included accessories
  • Hook for storage of hose and cable
  • Lance and spray gun storage, storage of accessories, cable storage
  • Automatic start/stop
  • 2 year domestic warranty
  • 6m Hose
DESIGNED FOR: Low to medium frequency/intensity home cleaning tasks, e.g. driveways, decks, footpaths, retaining walls, patios, vehicles, landscaping and more. 

INCLUDED: Classic 120.5-6 PCAD Washer with 6m high pressure hose, Foam Sprayer, Tornado Nozzle for general cleaning - Turbo Nozzle for heavy duty cleaning, Classic Patio Cleaner , Washing Brush, 8m Drain & Tube Cleaner


  • Sandblaster Set
  • Drain and tube Cleaner 15m
  • 7m Extension Hose


  • Auto Brush
  • Rotary Brush (softer surface cleaning)
  • Underchassis Nozzle
  • Car Auto Nozzle


  • Car, Boat, Caravan wash
  • External House wash
  • Outdoor Window wash
  • Concrete Degreaser
  • Mutlipurpose Detergent
 Pressure Washer Table
Classic Gerni Manual


Additional Information


Short Description

Gerni Classic 120.5-6 PCAD Pressure Washer, 1740PSI, 2yr warranty

SKU 128470972
GTIN (Global Trade Item Number) 5715492176465
Brands Gerni
Max. Pressure (PSI) 1740.0 PSI
Flow Rate L/Min 7.3 Litres / minute
Rated Power 1.4KW
Max. Pressure 1740PSI
Pump Type 2800RPM
Pump Description Wobble disc pump system, aluminium valve pump head with stainless steel pistons
Power 230 volt
Max. Water Temperature Can accept up to 40°C
Power Cable Length 5 metres
Nozzles Tornado Nozzle, Powerspeed Nozzle
Net Weight (kg) 8.7 Kg
Hose Length 6 metres
Product Dimensions (mm) LxWxH 290x245x690
In The Box Gerni Classic 120.2 PC Pressure Washer, 6m hose, Foam Sprayer, Tornado Nozzle for general cleaning - Turbo Nozzle, Classic Patio Cleaner , Washing Brush, 8m Drain & Tube Cleaner


Product Videos

Accessory usage for Gerni Domestic Pressure Washer range:


Using Gerni around the home:


Using your Gerni:


The Power of Pressure Washers


How to use the Gerni Underchassis Nozzle


How to use the Gerni Rotary Brush

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Product Faqs

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  • Q:Hi, I’m looking at a domestic electric pressure washer to clean my home BBQ. I’m just concerned about the washer possibly damaging the BBQ electric starter and blocking up the gas burners. Please advise?

    Cleaning your BBQ with an Electric Pressure Washer is a very common practice and a very effective way of removing built up grime on and around your grill.

    In terms of concerns about water and your particular BBQ, it might pay to contact the manufacturer of your BBQ or read the manual to see if there are any warnings about water exposure impacting the electric start or gas burners.

    In our experience, using a domestic electric pressure washer to clean a BBQ has never been an issue.

    As a further note, we do advise that when using a washer to clean certain objects (such as a car), that you can do damage if you hold it too close on a particular point for a long period. In practice, no one would actually do that. Simply holding the lance further away from the object is the answer. This also might be worth keeping in mind.

  • Q:What are the differences in the type of pumps used in Commercial Grade pressure washers as opposed to Domestic pressure washers?

    Howdy, good question! Quality commercial grade pressure washers from brands such as Gerni, Crommelins, Subaru, AR Blue Clean will use brass pump heads which are stronger, can handle more intensive use and have a longer lifetime. 

    Quality commercial grade pressure washers will also use solid ceramic pistons to avoid corrosion and thus also extending the unit's lifetime.

    Domestic pressure washers will typically use an aluminum pump head and solid steel pistons. These are lighter in weight and suit household cleaning requirements. When looking at domestic washers, again its best to opt for a quality brand (as listed above) as they will use non-corrosive aluminum which will prolong the life of the unit, as compared to cheaper brands which are often prone to corrosion.


  • Q:What's the best way to gauge the full power of a pressure washer? Is it just the PSI pressure rating?

    Hi James, great question. The cleaning power of a pressure washer is a combination of its pressure (PSI rating) and water flow rate (litres per minute). 

    Often people only consider the PSI number when looking at pressure washer models, but in fact testing shows that a greater water flow rate has a slightly greater influence on overall cleaning effectiveness:

    - Increasing the PSI rating of a pressure washer unit by 10% will increase cleaning effectiveness by 7%

    - Increasing the Water Flow Rate of a pressure washer unit by 10% will increase cleaning effectiveness by 12%

    So when comparing pressure models, be sure to consider each model's PSI rating and its Water Flow Rate capacity.   

    Note there are obviously many other factors on a unit to unit basis which also influences a pressure washer's cleaning capabilty such as; water temperature capacity, type and make of pump, piston types, nozzle & gun types etc.    

  • Q:Hi Paul, Do any of the Gerni range have the ability to use water from a non mains supply like a water tank?

    Yes, All the Gerni range can be connected to a Non Mains supply like a rainwater tank. The best way is to run it gravity fed from a tap at the bottom of the tank using a normal hose with the machine lower than the tank.

    The Super, PE and Three phase models can all be positioned above the source of the water from 0m - 2.5m under optimum conditions. In order to operate the machine correctly in “Suction Mode” we recommend that you check the operating instructions in the product manual attached for each Pressure Washer.

    Generally the Backflow preventer is not needed, the Gerni suction hose kit accessory is required and the air needs to be bled from the line.

    You can purchase the Suction Hose Kit in the accessories list for the all models.



  • Q:If something happens to the pressure washer unit, how do I get it repaired?

    The benefit of buying a Gerni Pressure Washer is that your unit is backed by the national Gerni Service Agent support network – if you ever need the unit repaired, need spare parts, or inspected under warranty, you are covered. You are also buying a product that is part of the global cleaning company Nilfisk, which has been a market leading manufacturer of cleaning products for over 100 years across 70 different countries.

    Buying a Gerni means you are buying quality and a top performing cleaning unit that will last you for years to come – it also means that your product has spare parts and servicing support country wide.

  • Q:What accessory or accessories do you recommend to go with a pressure washer for cleaning outdoor concrete areas?

    Hi, for smaller domestic concrete requirements such as standard sized driveways or small patios, you can look at a patio cleaner/surface cleaner accessory - typically a circular head of around 12 inches that minimise splashback, have strong brushes which clean patios, paths, driveways etc. at quick rotation to significantly speed up the cleaning of your home outside areas.

    For larger concrete areas or for commercial requirements, look for a nozzle know as a turbo nozzle / turbohammer / powerspeed nozzle - These nozzles will spin a zero degree spray in a wider circle at 3000 rotations per minute. The spinning water jet hits the surface area from multiple angles, quickly breaking down caked-on dirt and grime. As a result, turbo nozzles can cut cleaning time drastically. Excellent for larger concrete areas and for particularly tough to clean surfaces. You can also consider a commercial grade patio/surface cleaner which are made of stainless steel and are available with some commercial grade washers. 

    In both the domestic and commercial cases, some pressure washer models come with the abovementioned accessory, and some models require the accessory to be added seperately.      

  • Q:Good afternoon. Can you please tell me if I can purchase a extension lance to go onto the round brush for cleaning pavers?At present I only have 1 lance & I have to stoop over which is not good for my back.Kindest regards, Dave Scott

    Hi Dave, thanks for your question - Gerni do make extension lances for some of their Domestic Pressure Washer models. We don't stock them in the domestic range (we only have commercial options), so I would recommend you contacting Gerni (Nilfisk) directly via their website:

    They can advise what type of extension lance is compatible with your model of domestic washer and where you can source one. Thank you. 




For details relating to the Gerni delivery process CLICK HERE




For details relating to the Gerni warranty CLICK HERE

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