Experience dependable bilge pumping with the Attwood Tsunami Mk2 T500 Manual Bilge Pump with Installation Kit. This complete kit delivers a 500 GPH manual pumping solution designed for freshwater and marine use, with a robust 3/4" I.D. hose outlet and a full set of installation components. The Tsunami Mk2 is engineered to eliminate airlocks thanks to the patented X-Air™ Impeller, ensuring quick, reliable discharge even when air is trapped in the pump or piping.
Why choose the Tsunami Mk2 T500?
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Airlock elimination — Patented X-Air™ Impeller ejects trapped air from the pump and piping for uninterrupted pumping.
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Reliable 500 GPH performance — Budget-friendly, high-capacity manual bilge pumping for everyday boating needs.
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Integrated 12V kit — Ready-to-install with a 2‑way on/off switch, bezel plate, wiring, and easy-to-use components.
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360° installation flexibility — 90° rotatable elbow outlet and full 360° orientation for versatile mounting locations.
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Durable construction — Improved protection against water ingress and electrolysis (40% better than Mk1).
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Backward compatibility — Uses the same hole pattern and motor cartridge as Tsunami Mk1 for easy upgrades.
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Complete installation kit — Includes pump, washer/non-return valve, outlets, hose (3/4" x 5'), through-hull fitting, hose clamps, wire kit, and installation kit for quick setup.
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Ease of service — Service pump cartridges from hard-to-reach areas with one-hand operation.
What’s in the kit
- Attwood Tsunami Mk2 500 GPH Pump
- Washer / Non-Return Valve
- 90-degree Outlet
- Straight Outlet
- 3/4" x 5' Pump Hose
- 3/4" Through-Hull Fitting
- 2-Way On/Off Switch with Bezel Plate
- Snap-It Hose Clamps
- Wire Kit
- Installation Kit
Specifications
- GPH: 500
- Rated Volts DC: 12V
- Fuse Size: 3 Amp
- Hose Diameter: 3/4" and 1"
- Wire Length: 29" (735 mm)
- Hose Outlet: 3/4" I.D. (with 5' hose) and 1" option
- 90° Rotatable Outlet for flexible installation
- External mounting feet and integrated outlets to simplify mounting
- Backward compatible with Tsunami Mk1 hole pattern and motor cartridges
Caution: Bilge pump switches are not external ignition protected.
