Ehrle HDE 840 18Kw Electric heated 'Premium' hot water pressure washer
Built for Professional Use
The HDE840 18kW is a powerful industrial hot water pressure washer, designed for demanding commercial and industrial cleaning applications. Built with a robust corrosion-resistant chassis and a stainless steel 65-litre hot water boiler, it delivers consistent hot water performance while remaining reliable in the toughest working environments.
Featuring Etronic I intelligent controls, the HDE840 automatically manages start/stop operation, heating standby mode, and low-water protection, helping to improve efficiency and extend machine life. Its heavy-duty triplex ceramic piston pump and stainless steel valves ensure exceptional durability and long service life.
With adjustable operating pressures up to 140 Bar, a maximum pressure of 160 Bar, and a water flow of up to 720 litres per hour, the HDE840 provides outstanding cleaning power for vehicle fleets, agricultural equipment, engineering workshops, manufacturing facilities, construction machinery, and industrial plant maintenance.
The machine is available in Standard and Premium specifications, allowing users to choose between a practical standard hose setup or the convenience of an integrated hose reel with a longer hose for increased working range.
Provides safe, efficient, and reliable machine management.
Provides additional cleaning power for stubborn contamination and hard surfaces.
Key Features
- Heavy-duty hot water pressure washer
- 18kW electric hot water heating system
- 400V, 3 Phase, 50Hz power supply
- Operating pressure: 30–140 Bar
- Maximum pressure: 160 Bar
- Water flow: 300–720 L/H
- Hot water temperature: 30–80°C
- Etronic I intelligent control system
- Automatic start/stop with delayed shutdown
- Heating standby mode
- Low-water cut-off protection
- Infinitely variable pressure and water flow adjustment
- Heavy-duty triplex ceramic piston pump
- Chrome-nickel hot water resistant pump head
- Stainless steel valves with leakage return system
- 65-litre stainless steel insulated hot water boiler
- Immediate hot water with pre-heating and buffer storage
- Corrosion-resistant self-supporting chassis
- Impact-resistant ABS outer cover
- Four large heavy-duty rubber wheels
- Patented two-way parking brake
- Ergonomic removable pull handle
- Storage for lance, hose and accessories
- Twin integrated 20-litre detergent tanks
- High-pressure detergent injection with metering valve
- Water supply separation compliant with DIN EN 1717 Class 4
-
7.5m
electrical supply cable
Standard Model Includes
- 10m high-pressure hose (DN08, 315 Bar)
- Trigger gun with swivel
- 900mm spray lance with nozzle protection
- 25° stainless steel fan jet nozzle
Premium Model Includes
- Manual hose reel
- 20m high-pressure hose (DN08, 315 Bar)
- Trigger gun with swivel
- 900mm spray lance with nozzle protection
- 25° stainless steel fan jet nozzle
- 900mm rotary nozzle lance
- Water supply separation compliant with DIN EN 1717 Class 4
- High-pressure detergent injection with metering valve
Note: For the 18kW model, the heating capacity, connected load, electrical protection, and machine weights differ from the 12kW version. If you have the 18kW specification sheet, I can update the technical data with the correct figures rather than carrying over the 12kW values.
Perfect for:
- Heavy industrial cleaning and degreasing
- Food processing facilities
- Manufacturing and engineering
- Agricultural machinery cleaning
- Construction equipment washing
- Mining and quarrying operations
- Municipal and council services
- Commercial vehicle fleet washing
- Oil and gas industry cleaning
Click Here To View HDE840 Operator Manual


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