1. Introduction and Product Overview
Thank you for choosing the Bosch Advanced Aquatak 140 Pressure Washer. This powerful and versatile cleaning solution is designed for heavy-duty tasks around your home and garden, from cleaning large vehicles to patios and driveways. With its robust 2100W induction motor and 140 bar pressure, it tackles stubborn dirt efficiently. This manual provides essential information for safe and effective use, maintenance, and troubleshooting.

Image: The Bosch Advanced Aquatak 140 Pressure Washer, showcasing its main unit, high-pressure gun, and various nozzles.

Image: Visual representation highlighting the powerful cleaning capabilities and environmentally friendly design of the Bosch Advanced Aquatak 140.
2. Setup and Assembly
Before first use, ensure all components are present and correctly assembled. Refer to the 'Package Contents' section for a complete list.
2.1 Initial Assembly
- Attach the handle to the main unit, ensuring it clicks securely into place.
- Connect the high-pressure hose to the outlet on the pressure washer and to the high-pressure gun.
- Attach the desired nozzle or lance to the high-pressure gun.
- Connect your garden hose to the water inlet on the pressure washer. Ensure the water supply is clean and free of debris.
2.2 Water Supply and Self-Priming
The Advanced Aquatak 140 features a self-priming capability, allowing it to draw water from external sources like rainwater tanks, providing greater flexibility where a mains water supply is not readily available. For self-priming, ensure the water source is elevated or the hose is fully submerged to assist initial water flow.

Image: A man connecting the pressure washer to an external rainwater tank, demonstrating the self-priming feature for increased flexibility.
3. Operating Instructions
Follow these steps for safe and effective operation of your pressure washer.
3.1 Starting the Unit
- Ensure all connections are secure and the water supply is turned on.
- Plug the power cord into a suitable electrical outlet.
- Press the ON/OFF switch to the 'ON' position.
- Squeeze the trigger on the high-pressure gun to release any trapped air and allow water to flow steadily.
3.2 Using Nozzles and Detergent
The Advanced Aquatak 140 comes with a selection of nozzles for various cleaning tasks. The 550-ml High-Pressure Detergent Nozzle allows for quick application of cleaning solutions, ideal for deep cleaning vehicles and garden furniture.
- Fan Jet Nozzle: For general cleaning and wider coverage.
- Roto Nozzle: For stubborn dirt and concentrated cleaning.
- High-Pressure Detergent Nozzle: Fill with appropriate detergent, attach to the lance, and apply.

Image: A person using the pressure washer to clean a large vehicle, demonstrating its extended reach and effectiveness for car washes.

Image: Close-up of the 550-ml High-Pressure Detergent Nozzle in use, applying soap quickly and efficiently to a vehicle surface.
3.3 Cleaning Applications
The Bosch Advanced Aquatak 140 is suitable for a wide range of applications:
- Patios & Driveways: Effectively removes dirt, grime, and moss.
- Masonry: Cleans brickwork and stone surfaces.
- SUVs & Vans: Ideal for thorough vehicle cleaning.
- Caravans & Campervans: Maintains cleanliness of recreational vehicles.
- Ponds & Pools: Assists in cleaning pool surrounds and pond areas.
- Boats: Suitable for cleaning boat hulls and decks.

Image: A person cleaning outdoor stone steps with the pressure washer, demonstrating its effectiveness on larger surface areas with stubborn dirt.

Image: A person cleaning a large courtyard area, illustrating the pressure washer's capability for extensive cleaning tasks.

Image: A person using the pressure washer to clean a large wooden gate, effectively removing mildew, grime, discoloration, and moss.
4. Maintenance
Regular maintenance ensures the longevity and optimal performance of your pressure washer.
4.1 After Each Use
- Turn off the unit and disconnect from the power supply.
- Turn off the water supply and squeeze the trigger to release any remaining pressure.
- Disconnect hoses and accessories.
- Drain any remaining water from the pump and hoses to prevent freezing in cold weather.
- Clean the exterior of the unit with a damp cloth. Do not use harsh chemicals.
4.2 Periodic Checks
- Inspect hoses and connections for any signs of wear, cracks, or leaks. Replace damaged parts immediately.
- Check the water inlet filter for debris and clean if necessary.
- Ensure all rubber washers and seals are in good condition to prevent water leakage.
4.3 Storage
Store the pressure washer in a dry, frost-free environment. Ensure all water is drained from the unit and accessories before storing to prevent damage from freezing.
5. Troubleshooting
This section addresses common issues you might encounter with your pressure washer.
| Problem | Possible Cause | Solution |
|---|---|---|
| No pressure or low pressure | Insufficient water supply; Air in pump; Clogged nozzle; Kinked hose | Ensure full water supply; Squeeze trigger to purge air; Clean nozzle; Straighten hose |
| Motor not starting | No power supply; Thermal overload activated | Check power connection/outlet; Allow motor to cool down |
| Water leakage | Loose connections; Damaged O-rings/seals | Tighten all connections; Inspect and replace worn seals/O-rings |
| Pulsating pressure | Air in pump; Restricted water flow | Purge air from pump; Check water inlet filter and hose for obstructions |
6. Technical Specifications

Image: A visual summary of the technical data for the Bosch Advanced Aquatak 140, including power, pressure, and flow rates.
| Specification | Value |
|---|---|
| Brand | Bosch |
| Model | Aquatak 140 |
| Power Source | Corded Electric |
| Wattage | 2100 Watts |
| Maximum Pressure | 140 Bars |
| Item Weight | 18 Kilograms |
| Hose Length | 8 Metres |
| Product Dimensions | 16.4L x 14.8W x 25H Centimeters |
| Material | Reinforced Polyamide Plastic |
| Country of Origin | China |
7. Package Contents
The Bosch Advanced Aquatak 140 package typically includes the following items:

Image: A visual representation of the items included in the package, such as the main unit, high-pressure gun, hose, and various nozzles.
- Bosch Advanced Aquatak 140 Unit
- 1x Bosch High Pressure Gun
- 8 M High-Pressure Hose
- 1x High Pressure Foam Nozzle 550 ML
- 1x Roto Nozzle
- 1x Vario-Fan Jet Nozzle
- 1x Lance
- Water Filter
8. Warranty and Support
Your Bosch Advanced Aquatak 140 Pressure Washer is covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or visit the official Bosch website.
8.1 Customer Support
For technical assistance, spare parts, or service inquiries, please contact Bosch customer care:
- Customer Care No: 18004258665
- Manufacturer/Importer Address: Bosch Ltd., Post Box No: 3000, Hosur Road, Adugodi, Bangalore - 560030, India.
You can also visit the official Bosch store for more information and product range details: Bosch Store on Amazon





