Comet KM EVO Classic 9.15 T / 9.21 T - Hot Water Pressure Washer with Electronic Temperature Regulation
The Comet KM EVO in the Classic 9.15 T and Classic 9.21 T models is a professional hot water pressure washer designed for intensive professional use in the industrial, automotive, construction and professional cleaning sectors. This Comet hot water pressure washer differs from the KM Classic version by the presence of an electronic temperature setting system that maintains constant hot water, offering more precise control.
This 400V industrial pressure washer guarantees high performance, ensuring effective cleaning of greasy dirt, oily residues, and stubborn contaminants. Equipped with a 4-pole 1400 RPM motor , Comet FW2 pump , and 18 L diesel boiler , the KM EVO Classic professional hot water pressure washer guarantees thermal stability and continuity of service in high-intensity operating environments.
MAIN features
- 18 L diesel tank with float and filter
- Low pressure detergent suction
- 4-pole motor 1400 rpm
- Comet FW2 pump
- Professional flanged pressure regulating valve
- Delayed Total Stop
- General stop due to prolonged inactivity
- Professional safety valve
- Boiler thermal protection
- Electronic temperature regulation system
- Delayed burner start
- Intensive professional use

Technical specifications
The KM Evo Classic three-phase 400V 50Hz pressure washer is equipped with a Comet FW2 1400 RPM motor pump and absorbs a power of 7 kW , ensuring torque stability and durability in continuous work. The thermal power of the engine is 6.6 kW with an 18-litre diesel boiler, consumption of 6.4 l/h and a maximum water inlet temperature of 60°C. The integrated detergent tank has a capacity of 3.5 litres and the supplied high pressure hose is 10 metres long.
The Comet EVO Classic 9.15 T version has an operating pressure of 30 to 250 bar with a maximum pressure of 260 bar . The water flow rate ranges from 350 to 900 L/h.
The Comet EVO Classic 9.21 T version has an operating pressure of 30 to 170 bar with a maximum pressure of 180 bar . The water flow rate ranges from 560 to 1260 L/h.
ZW pump

The Comet FW2 pump is a professional pump designed to operate up to 85°C, ensuring high performance and operational continuity in heavy-duty applications . The nickel-plated head and the solid brass manifolds , combined with high-efficiency stainless steel check valves, ensure corrosion resistance and pressure stability even with hot water. The solid ceramic plunger pistons , the hardened stainless steel guide pistons and the high-quality Buna seals with anti-extrusion ring guarantee optimal sealing at high and low pressure. The oversized connecting rods in special stamped brass , the die-cast anodized aluminum crankcase with tapered roller bearings and the optimized oil bath ensure mechanical reliability and low operating temperatures even at high speed. Reversible crankcase and 24 mm S male shaft.
Functional specifications
Electronic Temperature Regulation System
Electronic temperature management with low oscillation keeps the set value stable, optimizing the efficiency of the industrial hot water pressure washer and improving performance in technical cleaning on surfaces contaminated by oils and industrial residues.
Delayed Total Stop and General Stop System
The delayed Total Stop function automatically stops operation when the gun is released, limiting wear and energy consumption. The General Stop function for prolonged inactivity protects the machine when not in use, an essential feature in a professional pressure washer for intensive use.
Adjustable Low Pressure Detergent Suction
The professional, adjustable low-pressure detergent suction system allows the controlled use of chemical products for pre-washing and degreasing , improving the operational performance of the industrial hot water pressure washer in the automotive and industrial sectors.
Professional Safety Devices
The presence of a professional safety valve and integrated thermal protections guarantees compliance with the safety standards required for a high-performance industrial pressure washer, ensuring operational continuity in structured professional environments.
STANDARD Equipment
- GH 401 gun with pressure regulator + swevel
- R2 delivery hose kit 10 m
- Angled lance with nozzle holder head
- 1/4" MEG flat jet nozzle
- Flame control kit

Equipment on Request
- Rotating hose reel with 15 m hose