Kärcher HD 7/17 M PU Motor-Pump Unit

The HD 7/17 M PU is a powerful motor-pump unit with a flow rate of approximately 700 liters per hour and a working pressure of up to 170 bar. Designed for demanding daily use, it features a newly developed pump technology with a 3-piston axial pump made of hardened stainless steel pistons and a brass cylinder head.

This guarantees a long service life and increases energy efficiency and cleaning power by over 20%. The unit is intended for stationary use and can be installed and operated either horizontally or vertically, thanks to its 3-point mounting system at the rear.

Key Features & Benefits

High-Quality Equipment

• Automatic pressure relief protects components, ensuring a longer service life.
• Powerful 2-pole air-cooled electric motor.
• Durable brass cylinder head for longevity.

Flexible Usage

• Designed for both vertical and horizontal operation.
• Optimized for stationary use.

Space-Saving and Robust Design

• Simple and durable 3-point mounting bracket at the rear for wall attachment.
• Compact design for minimal space requirement.
• Rugged plastic chassis provides excellent protection against dirt and damage.

Easy Maintenance

• Quick access to the cylinder head via the open bottom of the unit.
• Easy access to electronic components by removing the cover.
• Large, easily accessible fine water filter protects the pump from dirt particles in the water.

Increased Energy Efficiency

• Newly developed axial pump with 3 plungers reduces power and pressure losses.
• 20% better cleaning performance while consuming less energy.

Technical Specifications

• Power Supply: 3 / 400 / 50 (Ph/V/Hz)
• Water Flow Rate: 700 l/h
• Water Supply Temperature: 60°C
• Working Pressure: 170 bar / 17 MPa
• Max. Pressure: 255 bar / 25.5 MPa
• Power Output: 4.2 kW
• Power Cable Length: 5 m
• Water Inlet: 3/4″
• Color: Anthracite
• Weight (with accessories): 23.2 kg
• Weight (with packaging): 25.7 kg
• Dimensions (L × W × H): 290 × 300 × 565 mm