Karcher K 4 WCM Flex eco!Booster Pressure Washer - Car & Home

The eco!Booster lance is designed for delicate surfaces and offers increased cleaning performance with improved efficiency. The dirtblaster lance provides maximum power for removing stubborn dirt and grime.

It is recommended to use Karcher detergents for optimal performance and to protect the unit. The included detergents are suitable for car and stone/facade cleaning.

The pressure washer comes with an 8-meter PremiumFlex high-pressure hose.

This model is designed for occasional use. For more demanding, continuous cleaning tasks, a higher-spec model might be more appropriate.

All accessories can be stored neatly onboard the device itself, ensuring they are kept organized and readily accessible.

The product comes with a 5-year guarantee, which includes a 2-year standard guarantee with the option to extend to 5 years by registering the product within 28 days of purchase at karcher.com/register.

Yes, it has a built-in water filter that protects the pump from debris, ensuring long-term reliability.

Check if the power cord is securely plugged in. Ensure the power outlet is functional. Verify that the water supply is turned on and the hose is connected correctly.

Ensure the water supply is fully open. Check the inlet water filter for blockages and clean it. Inspect the high-pressure hose and lance for leaks or damage. Make sure the correct nozzle is fitted for the task.

Confirm that the detergent suction hose is correctly placed in the detergent container. Ensure the correct setting or accessory is used for detergent application. Check for any blockages in the detergent line.

The unit may have overheated. Allow it to cool down for a few minutes before restarting. Check for any blockages in the water inlet or outlet that could cause strain.