Kärcher K4 WCM Flex Eco!booster Pressure Washer

The K 4 WCM Flex eco!Booster impresses with a powerful water-cooled motor, ensuring long lifetime. It is designed for occasional use on moderate dirt, for surfaces such as paths, garden furniture and cars. The included eco!Booster lance is ideal for delicate surfaces and, thanks to 50 percent increased cleaning performance*, it saves time and improves water and energy efficiency.

Use the dirtblaster lance to tackle the toughest grime when extra power is required, guaranteeing uncompromising results on stubborn dirt. Enjoy comfortable application thanks to the 8m PremiumFlex high-pressure hose and for long-term reliability, a built-in water filter protects the pump. All accessories store neatly onboard the device itself. For even more support use the Kärcher Home & Garden app, putting solutions for every task right in your hand.

• Save Water, Energy and Time – Gain 50% increased cleaning performance* thanks to the efficient yet powerful Eco!booster lance, perfect for use on sensitive surfaces such as wooden decks or cars. *Compared with the Kärcher standard flat jet
• Built To Last – You'll get years of use thanks to the state-of-the-art water cooled motor and 5 year guarantee, built for top performance and durability
• Everything In One Place – Keep everything you need close to hand with on-board storage for the lances, cable and hose
• Kärcher Always On Hand – To help you get the job done our specifically designed app is full of useful hints and tips. From setting up the machine to step by step application tips
• Get To Work Instantly – Get started with minimum effort. The Quick Connect system instantly links the high-pressure hose to the machine and trigger gun
• Clean With Freedom – The 8m PremiumFlex anti-twist hose eliminates troublesome kinks and twists for comfortable, unrestricted application

Delivery may take a little longer over the bank holiday period. Check our bank holiday delivery times for details.

 

DELIVERY OPTIONS (UK mainland only)

 

Next Day Delivery – £5.00 or FREE for orders over £40

• Order before 9pm Monday to Thursday for next business day delivery
• Order Friday to Sunday before 5pm for Monday delivery
• Orders placed after Sunday at 5pm will be delivered the following Tuesday

 

Pre-12pm Delivery – £10.00 to arrive before 12pm on the scheduled days above

Saturday Delivery – £10.00 or £5.00 for orders over £40 & FREE for orders over £75 (order by 6pm Friday)

Sunday Delivery – £10.00 or £5.00 for orders over £40 & FREE for orders over £75 (order by 4pm Saturday)
Times may vary for items being delivered directly from the supplier. For more information, please visit our delivery information page below.

Items over 30kg can only be delivered from Monday to Friday. If ordered before 6pm, please allow up to two business days for delivery. Orders placed after 6pm Thursday will be delivered after the weekend.

 

Supplier Delivery - Lead times for products delivered directly by our suppliers are shown on the product pages, and are always advertised in working days (Monday to Friday).

 

More about delivery

Store opening hours may differ over the bank holiday period. Check our bank holiday opening hours for details.

 

Our standard opening times are 7am-8pm Monday-Friday, 7am-6pm Saturday and 9-4pm Sunday. Please check your local store is open on the store locator page, before you visit.

 

Once you have placed your order online, we’ll have it ready for you at the store you have selected in as little as 5 minutes. We will hold your order for 14 days, after which we will automatically generate a refund to the payment type you used to place the order.

 

Don’t forget your mobile number – Make sure your mobile number is added so that we can text you when your order is ready to collect. Please wait for your text or email before coming to collect your items.

 

If an item is eligible for Next Business Day Collection in store, the order must be placed by 9pm Monday to Thursday for collection the next day. Orders placed after 9pm on Thursday, and up to 5pm on Sunday, will be available for collection on Monday. For larger items over 30kg, please allow two business days.