Comet KM Steel Extra 11/120 - Single-phase hot water pressure washer
The Comet KM Steel Extra 11/120 hot water pressure washer is an efficient and robust pressure washer ideal for professional use. With a 25 L diesel tank equipped with a level float, Comet KM Steel Extra is a hot water pressure washer with long autonomy without frequent interruptions for refueling. Its high pressure detergent suction is proportionally adjustable, allowing for impeccable cleaning even in the most stubborn situations.
Functional specifications

Professional 4-pole motor
Equipped with a professional 4-pole motor that operates at 1400 rpm , the Comet KM Steel Extra guarantees constant and reliable power. The engine supplied with KM Steel Extra 11/120 has a power of 3 HP .
High pressure 120 bar
Comet KM Steel Extra Single Phase is appreciated for its remarkable power and maximum pressure of 120 bar . The max water flow rate of this machine is remarkable 660 L/h .
Easy to transport pressure washer
The 2 large foamed wheels and 2 swivel casters with brakes allow for effortless maneuverability on any type of surface. It also has practical handles for handling and a single central anchor for lifting with cranes and winches .
Protective bumper
Comet KM Steel Extra 11/120 is equipped with a front and rear protective bumper , useful for increasing the robustness of the machine and for facilitating lifting operations.
Security systems
Safety is a priority for the user of Comet KM Steel Extra 11/120, as demonstrated by the presence of numerous protection features, including the Total Stop delayed by 15 seconds, the Prolonged Inactivity Stop after 30 min, Easy Start , warning light lack of diesel, safety valve and thermal protection of the boiler guarantee safe operation even in the most extreme conditions.
High pressure detergent suction
Low pressure detergent suction with proportional regulation of the detergent.
Professional control panel
Equipped with an intuitive professional control panel.
ZW pump

The ZW pump is a hot water pump with brass head, Kevlar seals, heat-resistant integral ceramic plungers to work on lubricated seals.
Characteristics
- Professional hot water pressure washer
- 25 L diesel tank
- Level float
- Water Cistern with Cartridge Filter
- High pressure detergent suction
- Professional 4-pole single-phase motor
- Easy Start - single phase only
- Total Stop delayed 15 sec
- Stop Prolonged Activity
- No diesel warning light
- ZW pump
- Flame Control
- Gauge
- Ideal for intensive professional use