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Karcher SG 4/4 Chemical-Free Commercial Steam Cleaner

The SG 4/4 is a compact and robust steam cleaner which offers outstanding power and certified disinfection*. Optimal cleaning is achieved thanks to 58 PSI steam pressure, variable steam control and the VapoHydro function (continuous regulation of steam saturation). The 2-tank system can be refilled at any time. A rapid heat-up time of the water provides uninterrupted operation. The temperature indicator also helps to provide optimal cleaning results. The SG 4/4 steam cleaner is extremely versatile and cleans without the use of chemicals. Standard equipment includes two floor nozzles (for abrasive and hygienic cleaning), an integrated storage compartment for accessories, an integrated cord hook and a pipe intake for space-saving storage. (*According to prEN 16615, PVC floor, machine: SG 4/4 (floor nozzle with slats, 30 cm/sec, max. steam pressure, min. VapoHydro), test bacteria: Enterococcus hirae ATCC 10541)


Steam cleaner SG 4/4 steam cleaner: 2-tank system

2-tank system

The fresh water tank can be continuously filled as the boiler and tank are separate. Since only part of the overall volume is heated, a constant steam flow is quickly produced. With a total capacity of over 4 litres, the SG 4/4 can be used for long periods without refilling.

Steam cleaner SG 4/4 steam cleaner: VapoHydro


Thanks to VapoHydro, the steam level can be infinitely adjusted to the cleaning task. In addition to the steam pressure, the saturation can be infinitely adjusted from full steam to hot water. With the hot water jet, even stubborn dirt can be effectively dissolved from the start.

Steam cleaner SG 4/4 steam cleaner: Accessory storage compartment

Accessory storage compartment

The on-board storage compartment enables storage of a variety of accessories. Special small parts are always safely stored and cannot get lost. Tubes can also be stored at the rear of the unit.

Hygienic cleaning
  • Hygienic cleaning without the use of chemical substances.
  • The avoidance of aggressive cleaning agents protects the operator and treated surfaces.
  • Only water is used for cleaning – unharmful to health and cost-effective.

Technical data

Voltage (V) 110 / 127
Steam pressure (PSI) 58
Tank capacity (gal) 1
Cable length 24.5
Weight (with accessories) (lbs) 2.2
Dimensions (L × W × H) 19 x 12.6 x 10.8


  • Floor nozzle
  • Steam suction hose with handle
  • Upholstery nozzle with brush
  • Power nozzle
  • Round brush, black
SKU: 1.092-805.0 Category:


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