Description
The Karcher AG SG 4/2 Classic portable steam cleaner combines a compact all-in-one box design with robust construction and practical onboard storage for accessories. With a 0.5 L boiler and 2250 W heating power it reaches operating temperature in about 3 minutes and delivers steam at up to 4 bar pressure, enabling deep cleaning and sanitation without chemicals. The lightweight unit (approx. 7–7.5 kg) is easy to carry and the removable water tank can be refilled at any time. A VapoHydro function supplies hot water together with steam to tackle heavy soiling; included accessories (steam hose, hand nozzle, point jet nozzle, power nozzle, round and flat brushes, steam scraper and microfibre cover) are stored in the machine, and a floor nozzle is available as an option.
Advantages
The compact all-in-one design provides space-saving storage of accessories and makes the device long-lasting and economical in professional use. Fast heat-up time (about 3 minutes) and clear LED indicators for readiness, water level and service intervals simplify operation. At 4 bar steam pressure the cleaner offers sufficient power for deep cleaning, while the VapoHydro function increases effectiveness on stubborn dirt and grease by adding hot water. The removable water tank and lightweight body make transport and refilling straightforward.
Suitable for
- Sanitising and deep cleaning counters, tiles and grout
- Cleaning ovens, hobs and kitchen equipment
- Removing grease and stubborn dirt with VapoHydro support
- Detail cleaning in small crevices and hard-to-reach areas
Key specifications
- Brand: Karcher
- Model: AG SG 4/2 Classic (MPN 1.092-301.0)
- EAN: 4054278880419
- Boiler capacity: 0.5 L
- Power: 2250 W
- Steam pressure: up to 4 bar
- Heat-up time: approx. 3 minutes
- Weight: approx. 7–7.5 kg
- Onboard accessory storage; optional floor nozzle
How to use
Fill the removable water tank and switch on the unit using the pressure switch. Wait until the LED indicates that the cleaner is ready (about 3 minutes). Select the appropriate nozzle or brush for the task, connect it to the steam hose and apply steam to the surface. For very stubborn dirt activate the VapoHydro function to add hot water flow while steaming, then wipe or rinse away dissolved residues. Refill the water tank when the water-shortage LED lights and follow indicated service intervals.
Usage recommendations
Use distilled or demineralised water where local water hardness is high to reduce scale build-up. Always test steam on a small inconspicuous area before treating delicate surfaces and follow manufacturer instructions for appliance and surface compatibility.

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