Attwood Tsunami MK2 Manual Bilge Pump - T500 - 500 GPH & 12V

Meet the Attwood Tsunami MK2 Manual Bilge Pump – T500, a purpose-built solution designed to keep your vessel dry with reliable, airlock-free performance. The standout feature is the patented X-Air™ Impeller, which efficiently ejects trapped air from the pump and piping, delivering consistent pumping action where other manual pumps struggle.

Why choose Tsunami MK2 for your boat?

• Airlock elimination with the patented X-Air™ Impeller for instant priming and dependable operation.
• Impressive 500 GPH capacity to clear bilges quickly, keeping decks dry in damp conditions.
• 12V compatibility rated for 12V DC systems with a 3 Amp fuse, ensuring reliable performance in powered installations.
• Flexible installation features a 90° rotatable elbow outlet and full 360° orientation so you can place the pump anywhere you need.
• Easy integration uses backward-compatible hole patterns and motor cartridges with Mk1 pumps, reducing replacement effort and downtime.
• Fast, one-handed service with external mounting feet and an integrated outlet that makes maintenance accessible even in tight spaces.
• Durable and reliable design offers approximately 40% better protection against water ingress and electrolysis than the Mk1, extending pump life in freshwater applications.
• Versatile hose options support both 3/4" and 1" hoses for different bilge configurations.

Designed for straightforward installation and hassle-free servicing, the Tsunami MK2 is built to be the most dependable manual bilge pump for freshwater environments. Its combination of airlock-free operation, robust protection features, and flexible mounting makes it a standout choice for anglers, cruisers, and weekenders alike.

Specifications

• Rated Volts: 12V DC
• Fuse Size: 3 Amp
• Wired Length: 29" / 735 mm
• Outlet: 90° rotatable elbow; supports 360° orientation
• Hose Diameter: 3/4" and 1"
• GPH: 500
• Manufacturer: Attwood Marine
• Model: Tsunami MK2, T500
• Part No: 5606-7
• UPC: 022697023971

For a dependable bilge solution that blends innovative design with practical installation and maintenance advantages, the Attwood Tsunami MK2 Manual Bilge Pump—T500 is your proven choice.