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Karcher HDS 7/9-4 M Commercial Hot Water & Steam Pressure Washer 90 Bar 3400w 110v110v hot water high-pressure cleaner with eco!efficiency mode, ensuring environmentally friendly and economical operation, with a reduction in diesel consumption of 20% compared to previous models. The 4-pole water cooled electric motor allows for prolonged running times and a longer life.Features and Benefits:• 110V power supply for safe hire and site use.• 4-pole, air-cooled electric motor with long-life bearings.• Ergonomic Easy Press gun with Softgrip and continuous servo-control pressure/water flow adjustment with turnable stainless-steel spray lance• Steam function.• Economical and environmentally friendly eco!efficiency mode, reducing fuel consumption and CO2 emissions by 20%.• 3 piston axial pump with ceramic pistons.• New layout offering easy access to all service components and improved mobility.• Simple, user friendly control panel with LED warning and service display.• Service switch to accurately meter machine protector chemical and call up service information.• Pivoting 1050mm stainless steel spray lance.• Low fuel cut-out facility.• Motor protection switch to protect against overload.• Machine Protector system and 3-year burner coil warranty.• Flue gas temperature limiter switches off the drive motor if the flue gas exceeds 300ºC.Specifications:Power supply (v) - 110Water flow rate l/h - 350-700 Operating Pressure (bar) - 90Max. temp. (ºC) - 80/155 Connected load (kW) - 3.1Fuel tank (l) - 25Detergent tank (l) - 20+10Hose length (m) - 10Weight (kg) - 145Dimensions (L x W x H) (mm) 1330x750x1060Standard Accessories:10m Long Life High pressure hoseEasy press trigger gunStainless steel spray lance 1050mmServopress controllerPower nozzleImportant Information:This pressure washer requires a 1" BSP Tap connector in order to connect to a hose pipe. It is recommended that only 3/4" (19mm) Hose Pipe is used with this machine.Pressure WashersTo help determine the type of pressure washer required it is important to consider the size of your cleaning task and level of duty, i.e. how big is the cleaning object and how often will you need to clean it? Below is an explanation of the two main types of pressure washer. Whilst bar pressure is important the overiding factor in cleaning power is the water flow rate. More water = better cleaning.Home & Garden (sometimes referred to as domestic, DIY or consumer).Lightweight, easily portable and designed for regular use in a domestic environment, these machines range in power to suit the size of your cleaning task. Models featuring ‘water cooled motor’ technology offer greater performance, and top of the range machines are often fully loaded with accessories. Xpert or Professional (sometimes referred to as commercial or industrial)Heavy duty, robust and designed for maximum durability, Xpert or Professional machines have higher pressure and flow ratings, enabling you to clean with far greater speed and efficiency. These machines are not readily available on the high street or in DIY superstores and often feature upgraded components throughoutJargon Buster:• Bar or PSI: Bar is the most common measure of pressure. PSI = bar x 14.5.• Bar (max): This is the pressure achieved when the machine is first turned on• Bar (rated) pressure: This is the operating water pressure of the machine.• Motor size (kW): Motor size indicates power providing the machine runs efficiently. • Flow Rate (l/h): Higher flow rates enable you to clean large areas or objects fasterDid You Know:Pressure Washers use up to 80% less water than garden hosepipes.Pressure Washers are not subject to hosepipe bans if used for safety reasons, or if a suction hose is used to pull water from a harvested source. i.e. not the water mains. They are also not subject to a ban if used for commercial reasons, for example to maintain cleanliness, hygiene or company image.Important things to remember when using your pressure washer:• Always use an RCD when using electrical products in connection with water.• Never use a non-return valve at the pressure washer connection to a hose pipe.• Never drive over or lay items on high pressure hoses to avoid damage.• Your water supply hose should be a min of several meters long and unwound from its reel.• If you are using an extension lead, check that it is rated at min of 13 amps and fully unwound from its reel.
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