Karcher-compatible 15m 3000 PSI drain hose for pressure washers

This drain jetting hose kit from NAMOTEK is made for clearing drains and tackling outdoor cleaning tasks with a domestic pressure washer. It connects to many household machines and helps flush blockages while also being useful for cleaning driveways, patios, vehicles and gutters, according to the manufacturer.

Key Points

The kit includes a 15 metre high pressure hose designed to work with popular pressure washer models including Karcher K2–K7 series and Bosch AQT units. It uses a rotating nozzle with a forward 0 degree jet to break deposits and three rear 33 degree jets to carry loosened debris back out of the pipe. The hose construction combines a thermoplastic polyester inner tube, a chemically bonded high-tenacity polyester braid reinforcement and a thermoplastic polyurethane outer cover for resistance to weather, oil, abrasion and ozone. Note that the manufacturer states a working temperature range from -34 °C to 60 °C, and a maximum working pressure rated up to 5800 PSI/400 bar, while typical household machines will operate at lower pressures.

Technical Specifications

• Name: NAMOTEK 15M High Pressure Washer Drain Hose Kit
• Length: 15 metre
• Rated pressure: 3000 PSI/180 bar (advertised compatibility), maximum construction rating 5800 PSI/400 bar
• Temperature range: -34 °C to 60 °C
• Nozzle pattern: 1 forward 0° jet plus 3 rear 33° jets

Usage Recommendations

Attach the hose to the compatible pressure washer outlet using the correct adaptor for your model. Feed the rotating nozzle into the drain or pipe while running the washer at a moderate pressure setting so the forward jet can loosen deposits and the rear jets can evacuate waste. For tight bends take care when pushing the hose, the specified minimum bending radius is approximately 4 inches which helps manoeuvrability in domestic drains. This kit may not be suited to heavily root-infested or industrial-scale blockages, and the manufacturer suggests matching the hose to machines within the recommended pressure range to avoid damage.

Practical Tips

Wear eye protection and gloves when operating a pressure washer and keep bystanders clear of the working area. If you expect greasy or chemical residues, rinse the hose thoroughly after use to prolong the polyurethane cover and fittings. For compatibility emphasis, the NAMOTEK 15M High Pressure Washer Drain Hose Kit is presented as suitable for a range of home pressure washers, but confirm the connector type and working pressure of your washer before use.