Comet KM Steel Extra - Three-Phase Hot Water Pressure Washer
The Comet KM Steel Extra Three-Phase 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 impeccable cleaning even in the most stubborn situations.
Available models
Selectable from drop-down menu:
- Comet KM Steel Extra 13/190 cod. 90760002
- Comet KM Steel Extra 15/170 cod. 9076 0003
Both models feature a ZW pump.

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 motor supplied with the KM Steel Extra has a power of 5 HP .
High pressure 190 bar
Comet KM Steel Extra Trifase is appreciated for its remarkable power and max pressure of 190 bar . The max water flow rate of this machine is a remarkable 660 L/h .
Easy to carry pressure washer
The 2 large foam wheels and 2 swivel wheels with brakes allow for effortless maneuverability on any type of surface. It also features practical handles for movement and a single central anchor for lifting with cranes and winches .
Protective bumper
The Comet KM Steel Extra pressure washer is equipped with front and rear protective bumpers , useful for increasing the robustness of the machine and to facilitate lifting operations.

Security systems
Safety is a priority for the user of the Comet KM Steel Extra Trifase, as demonstrated by the presence of numerous protection features, including the 15-second delayed Total Stop , the 30-minute Extended Inactivity Stop , low fuel warning light, safety valve and boiler thermal protection , which guarantee safe operation even in the most extreme conditions.
High pressure detergent suction
Low pressure detergent suction with proportional detergent regulation.
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 full ceramic plunger pistons for working on lubricated seals.
Characteristics
- Professional hot water pressure washer
- Diesel tank 25 L
- Level float
- Water Tank with Cartridge Filter
- High pressure detergent suction
- Professional 4-pole single-phase motor
- Total Stop Delayed 15 sec
- Stop Prolonged Activity
- Low diesel warning light
- ZW Pump
- Flame Control
- Gauge
- Ideal for intensive professional use