This manual bilge pump with a 50 mm bore is designed for fast and efficient removal of water from your boat in any situation. Its operation is extremely straightforward – a few strokes of the handle create a strong vacuum that sucks up water and expels it through the hose overboard. The pump comes in two lengths: a shorter 390 mm version for tighter spaces or easy stowage, and a longer 550 mm version for deeper bilges or when a greater stroke volume per pump is desired. Both models share the same diameter, ensuring a high flow rate. Included in the package is an extension nozzle – this attaches to the intake end, allowing the pump to reach down into hard-to-access low areas where water pools. Also provided is a flexible coiled discharge hose (typically matching the pump’s outlet ~51 mm diameter) that attaches to the output. This hose resists kinking and lets you direct the outflow away from the boat or into a suitable container. The hand pump offers exceptional control – you can adjust the pumping speed as needed, which is especially useful for carefully dewatering compartments that might contain fuel or oil (to avoid spillage). Built from durable plastic and non-corroding components, the pump will not rust and will perform reliably whenever you need it. Weighing under 0.5 kg, it’s easy to carry and store – a must-have part of any boat’s emergency kit. Whether you’re on a small fishing skiff, a sailing yacht, or a powerboat, this manual bilge pump gives you the confidence that you can handle incoming water even if your electric pumps fail or if you lack power.
Use Cases & Recommendations:
- Emergency pump for any vessel: It’s recommended to keep this hand pump on board as a backup, even if you rely on electric bilge pumps. In the event of electrical failure or a dead battery, a manual pump will allow you to dewater the boat and prevent flooding.
- Small boats, kayaks, canoes: For craft without built-in electric pumps – such as rowboats, canoes, or kayaks – a hand pump is an essential tool for removing any water ingress (from rain, waves, or paddling splash). The compact 390 mm version can easily be stowed in such vessels.
- Offshore sailing & long voyages: In situations where reliability is paramount, the manual pump (especially the longer 550 mm for greater throughput) serves as an extra insurance policy. Crew members can rapidly pump out incoming water during heavy weather or leaks while solutions are being implemented.
- Easy maintenance: After use, rinse the pump with fresh water to remove salt and dirt. The hose can be detached for convenient cleaning and storage. It’s advisable to occasionally lubricate the piston’s seal with a silicone grease for smooth operation and long life.
- Land use: Beyond boating, the pump can double for other tasks – e.g., emptying barrels, small pools, or flooded basements. The flexible hose makes it easy to aim the water flow, and the strong suction moves liquid quickly, making it a handy tool for home or camping use as well.


