Pressure washers are the indispensable workhorses of the cleaning world, and hot water pressure washers take this class to a whole new level. With their impressive performance and ability to efficiently remove stubborn dirt and grease, they are the perfect choice for professional cleaning applications in industry, commerce, and the home.
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The Daewoo DHPW 7300 Industrial High Pressure Cleaner is a professional hot water cleaner, developed for Industry, construction and crafts. With 210 bar working pressure, a funding performance of 900 liters per hour and temperatures of up to 140 °C It removes even the most stubborn dirt such as Oil, grease and concrete residues reliable. The device combines the power of diesel heating system with the 380–400 V power connection for the pump drive. This system ensures consistently high performance and makes the DHPW 7300 ideal for Machine cleaning, Vehicle care, workshops and facade cleaning. Thanks to its compact design (115 × 62 × 85 cm) is the pressure washer despite its weight of 128 kg Mobile and easy to handle. The robust construction guarantees durability and reliability in daily use under harsh conditions. You will receive on the Daewoo DHPW 7300 pressure washer one 12-month warranty. spare parts are available at any time. The item can be found in 47906 Kempen picked up or Free delivery will be. We sell exclusively New item in original packaging. Please contact us for further information or a customized offer. Technical data brand Daewoo Model DHPW 7300 Network connection 380–400 V Heating Diesel work pressure 210 bar Flow rate 900 l/h Max. temperature 140 °C Dimensions 115 × 62 × 85 cm Weight 128 kg Our spare parts service – Fast. Safe. Reliable. At GRAEFER Maschinen you can usually obtain suitable spare and wear parts. within 48 hours. Direct from stock – many models available immediately International shipping via reliable logistics partners Consultation by experienced service technicians Short response times in urgent cases Our goal: Minimal downtime and smooth operation of your machine. GRAEFER Maschinen is your partner for long-term operational capability and first-class after-sales service. Do you have questions about the product or need further technical data? Just give us a call: +49 2161 9850020
The Daewoo DAW400-E High-pressure cleaner is a powerful Professional device for demanding cleaning tasks in Industrial, craft and private applications. With a robust 4.0 kW motor and one three-phase power supply It delivers impressive results even on stubborn dirt. Strong performance & high pressure: With up to 200 bar working pressure and a delivery rate of 14 liters per minute The DA generatesW400-E a concentrated jet of water that reliably removes oil, grease, dirt and deposits. The Brass pump Ensures a long service life and maximum efficiency. Maximum flexibility & Comfort: The cleaner is equipped with a 10 meters of high-pressure hose and one 3 meters of power cable equipped so that even hard-to-reach areas can be cleaned without difficulty. Thanks to the Quick-release connectors Accessories can be changed quickly and easily. Security & User-friendliness: The automatic shutdown function This extends the device's lifespan and saves energy. Furthermore, the built-in filter protects the pump from dirt particles in the water. The maximum Water temperature of 50 °C It enables the removal of even the most stubborn dirt. On the Daewoo DAW400-E receive 12-month warranty. spare parts Orders can be placed at any time. Collection in 47906 Kempen or Free Shipping. We sell exclusively New item in original packaging. Order today and experience how easy and efficient cleaning can be! Technical data brand Daewoo Model DAW400-E Engine power 4.0 kW Network connection Three-phase, 400 V Max. pressure 200 bar Flow rate 14 l/min Maximum water temperature 50 °C hose length 10 m power cable 3 m pump Brass pump Special features Auto-stop function, quick-release, water filter Our spare parts service – Fast. Safe. Reliable. At GRAEFER Maschinen you can usually obtain suitable spare and wear parts. within 48 hours. Direct from stock – many models available immediately International shipping via reliable logistics partners Consultation by experienced service technicians Short response times in urgent cases Our goal: Minimal downtime and smooth operation of your machine. GRAEFER Maschinen is your partner for long-term operational capability and first-class after-sales service. Do you have questions about the product or need further technical data? Just give us a call: +49 2161 9850020
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Pressure washer guide: Selecting the right hot and cold water for the application
High-pressure cleaners support professional cleaning work in factories, workshops, agriculture, vehicle fleets, and outdoor areas. This guide shows you when hot water is useful, when cold water is sufficient, and which device is suitable for your typical cleaning tasks.
What are hot water and cold water pressure washers?
pressure washer They remove dirt, dust, moss, loose debris, and other contaminants using water applied to the surface under high pressure. They are among the most important tools for professional cleaning work.
Hot water high-pressure cleaner High water temperatures enhance cleaning performance. This allows grease, oil, and stubborn dirt to be removed more quickly than with cold water-only devices.
For everyday cleaning: Cold water is suitable for many classic tasks involving surfaces, vehicles and outdoor areas.
For fat and oil: Hot water is particularly useful when machines, engines, workshop areas or vehicles are heavily soiled.
For professional use: The cleaning task, duration of use, surface and the existing infrastructure at the site are crucial factors.
Who are these pressure washers suitable for?
The devices are suitable for users who regularly perform thorough cleaning work and pay attention to robust technology, appropriate performance and practical features.
Industrial plants and workshops for machinery, hall floors, equipment and industrial cleaning
Construction companies and construction equipment rental companies for excavators, loaders, formwork and vehicles
Agriculture and agricultural businesses for farmyards, equipment, trailers, tractors and work areas
Freight forwarding companies and fleets for trucks, vans, semi-trailers and commercial vehicles
Building cleaners and service providers for facades, terraces, parking areas and outdoor facilities
Demanding private users with regular cleaning needs for their house, yard and vehicle fleet
For stubborn dirt with grease and oil
The Daewoo DHPW 7300 is a hot water high-pressure cleaner for professional cleaning tasks in industry, agriculture, construction and vehicle fleets.
Hot water vs. cold water: When to use which system?
Whether hot or cold water is more suitable depends primarily on the type of soiling. For normal soiling, a cold water cleaner is often sufficient. However, for grease, oil, protein, heavy deposits, or frequent professional use, hot water can offer significant advantages.
Hot water high-pressure cleaner
For grease, oil, encrusted deposits, machines, vehicles, engines, workshops, agriculture and industry.
In this category you will find two Daewoo pressure washers with different focuses. This allows you to select the right device depending on the type of dirt, the location of use and cleaning frequency.
Daewoo DHPW 7300
Diesel-powered hot water high-pressure cleaner for oil, grease, stubborn dirt and professional use.
Both types of equipment can be used in different scenarios. Businesses often use cold water for regular maintenance cleaning and hot water for heavily soiled machines, vehicles, or special cleaning tasks.
Machines and vehicles: Cleaning of construction machinery, trucks, tractors, trailers, vans and work equipment.
Workshop and operation: Cleaning of hall floors, work areas, equipment and areas with oil or grease contamination.
Outdoor areas: Cleaning of terraces, paving, paths, driveways, courtyards, fences and walls depending on the surface.
Agriculture: Cleaning of equipment, tractors, trailers, farmyards and agricultural machinery.
Selection criteria and interpretation
When choosing the right pressure washer, you should consider not only the price, but above all the type of soiling, frequency of use, location and surfaces.
Type of soiling: Grease, oil, and heavily adhering deposits are more indicative of hot water.
Location of use: Consider power connection, mobile use and available infrastructure
Frequency of use: Daily professional use places different demands on the product than occasional cleaning.
Surfaces: Sensitive surfaces require adjusted pressure and suitable nozzles.
Cleaning agents: Hot water can reduce the need for chemicals in many cases.
A sensible combination could be: a cold water pressure washer for regular tasks and a hot water pressure washer for particularly stubborn dirt.
Safety, operation and maintenance
High-pressure cleaners generate high forces. Hot water cleaners also operate at high temperatures. Therefore, proper operation, suitable protective equipment, and regular maintenance are essential.
Wear appropriate protective equipment, such as safety glasses, gloves and non-slip shoes.
Never aim directly at people, animals, or sensitive components.
Be careful of the risk of scalding when using hot water and never point the nozzles at skin.
Route cables and hoses in such a way that there is no tripping hazard.
Regularly check nozzles, filters, hoses, cables and connections.
For diesel-powered hot water appliances, have the burner, fuel system and exhaust system checked regularly.
Observe frost protection measures and do not leave water-filled devices in freezing conditions.
This ensures your pressure washers remain reliably ready for use and helps to better avoid downtime.
Conclusion: Choose a pressure washer that is appropriate for the type of dirt.
Pressure washers are versatile devices for professional cleaning in factories, yards, workshops, agriculture, and outdoor areas. Cold water is suitable for many standard tasks, while hot water is ideal for grease, oil, and particularly stubborn dirt.
GRAEFER MASCHINEN supports you in choosing between hot water and cold water pressure washers and helps you find the right solution for your cleaning tasks.
Are you unsure which pressure washer is right for you?
Then let us advise you and together with GRAEFER MASCHINEN find the right solution for your cleaning tasks.
Top customer service 
High availability of spare parts 
Shipping throughout Europe 
On-site sales possible by arrangement. 
