Karcher K 5 Power Control Pressure Washer

Karcher K 5 Power Control Pressure Washer

By Karcher · Model: K 5 Power Control · Landscaping & Outdoors

145-bar pressure washer with Power Control trigger gun, 8m high-pressure hose, and onboard detergent tank for driveways, patios and vehicles.

  • Maximum pressure of 145 bar for heavy-duty cleaning
  • Power Control trigger gun adjusts pressure for different surfaces
  • 500 litres per hour flow rate for efficient cleaning
  • 8m high-pressure hose for extended reach
  • Onboard detergent tank for cleaning solution application
  • Water-cooled induction motor for extended lifespan
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Overview

The Karcher K 5 sits in the sweet spot of the Karcher range — powerful enough for driveways and patios but not as expensive or unwieldy as the K 7. The water-cooled induction motor is the key upgrade over the K 2 and K 4 models, providing significantly longer motor life and the ability to run for extended periods without overheating.

In-Depth Look

A pressure washer is only as good as its motor, and the K 5’s water-cooled induction motor is what separates it from the budget models. Where universal motors in the K 2 and K 3 range overheat during extended use, the K 5 runs cool and lasts for years.

Power Control

The Power Control trigger gun lets you adjust the pressure setting to match the surface being cleaned. Full power for concrete and block paving, reduced pressure for timber decking and painted surfaces. This single feature prevents the accidental damage that fixed-pressure washers can inflict.

Driveway and Patio Cleaning

At 145 bar, the K 5 has enough pressure to remove algae, moss, grime and ingrained dirt from most hardstanding surfaces. Combined with the optional surface cleaner attachment, it can clean a typical domestic driveway in under an hour.

Verdict

The Karcher K 5 Power Control is the pressure washer for people who want serious cleaning performance without stepping up to contractor-grade machines. The water-cooled motor, adjustable pressure, and Karcher build quality make it a reliable long-term investment.

Specifications
Max Pressure145 bar
Flow Rate500 l/h
MotorWater-cooled induction
Hose Length8m high-pressure
Power2100W
Weight13kg

Who It's For

  • Homeowners maintaining driveways, patios and decking
  • Landscapers and builders cleaning finished hardstanding
  • Anyone needing serious cleaning power for outdoor surfaces

Pros & Cons

Pros

  • 145 bar pressure handles patio slabs, block paving and concrete
  • Water-cooled motor lasts significantly longer than universal motors
  • Power Control gun lets you dial back pressure for delicate surfaces
  • Onboard storage keeps accessories organised

Cons

  • 13kg weight makes it heavier than budget pressure washers
  • 8m hose may need extending for large driveways
  • Mains water connection required — not suitable for tank-fed use
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