Skip to content
Product review
Updated April 2023

Waterblasters

Find out which mains-electric models perform the best and are easy to use, plus what to consider when buying and using one.

April 2023

Karcher

K4 Premium Power Control 1.603-421.0

Get access to see the rest

We've reviewed the Karcher K4 Premium Power Control 1.603-421.0 to see how well it performs in these categories:

  • Cleaning
  • Ease of use
  • Predicted reliability
  • Brand satisfaction

Test results

  • Black padlock
    Cleaning
  • Black padlock
    Ease of use
  • Black padlock
    Predicted reliability
  • Black padlock
    Brand satisfaction

Good points

  • Black padlock

Bad points

  • Black padlock

Specifications

  • Type
    Black padlock
  • Fastest cleaning speed (m2/min)
    Black padlock
  • Noise
    Black padlock
  • Water use (L/min)
    Black padlock
  • Pressure (Bar/Psi)
    Black padlock
  • Hose length
    Black padlock
  • Lance length
    Black padlock
  • Weight
    Black padlock

Features

  • Wheels
    Black padlock
  • Nozzle list
    Black padlock
  • Rotary brush
    Black padlock
  • Detergent bottle
    Black padlock
  • On-board tool storage
    Black padlock
  • Telescopic/folding carry handle
    Black padlock
  • Patio-cleaner head
    Black padlock
  • Trigger-off lock
    Black padlock

More info

  • Availability
    Black padlock

Member reviews

Get access to review