Submersible automatic bilge pump with builtin float switch automatically activates and deactivates based on water level, providing hands operation when you need it most. Key benefits Automatic control: builtin float switch detects water level and turns the pump on or off without external wiring or controllers. Durable and heat resistant: made of stainless steel for strength and reliability in wet environments with temperature exposure. Compact and spacesaving: small size fits into tight compartments without occupying extra space. Protected and leak: features ignition protection function, submersion protection, antiair lock design, and sealed molding for reliable, safe operation with no leaks. Easy installation and maintenance: springlocked filter base design allows quick installation and simple removal for cleaning or replacement. Broad pump family available: our collection includes an extensive range of pumps such as water pumps, power pumps, diaphragm pumps, fuel pumps, gear pumps, and more, ensuring you find the pump for your needs. What makes it stand out Built for reliability in challenging conditions with robust stainless steel construction and protective features that minimize downtime. Automatic operation reduces the need for constant monitoring, helping prevent flooding and water damage. Specific use scenarios Boat or yacht bilge management: installed in the hull bilge to automatically pump out accumulating water, reducing the risk of flooding during rain, rough seas, or washing spray. Basement or utility flood response: used in sump wells or utility rooms to automatically remove excess water after heavy rain or internal leaks. Equipment and workshop drainage: suitable for temporary or permanent drainage of standing water in workshops, garages, or industrial settings where unattended operation is beneficial.