Attwood Tsunami MK2 Bilge Pump 1200 GPH 12V High Flow Marine Submersible
5612-7
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Tsunami MK2 Bilge Pump 1200 GPH 12V
Attwood Premium Marine Engineering - High Output Manual Pump
The Attwood Tsunami MK2 is the ultimate solution for high-capacity water evacuation in marine environments. Engineered with the patented X-Air™ Impeller, this pump eliminates the common industry problem of airlocks by forcing trapped air out of the pump and pipework, ensuring it never runs dry or burns out prematurely. This model is supplied in bulk packaging (retail box not included), offering the same high-spec performance used by leading boat builders at a more competitive price point.
Key Features
- ✔ Patented X-Air™ Impeller: Prevents airlock failures.
- ✔ Backwards Compatible: Retrofits MK1 footprints.
- ✔ 90° Rotatable Outlet: Installs in any 360° orientation.
- ✔ One-Hand Service: Easy-release cartridge system.
- ✔ No-Tool Maintenance: External mounting feet.
Technical Specs
| Flow Rate: | 1200 GPH (4542 LPH) |
| Voltage: | 12V DC |
| Fuse Size: | 5 Amp |
| Outlet Dia: | 1" & 1-1/8" Barb |
| Wire Length: | 29" (735mm) |
| Operation: | Manual (Non-Auto) |
Compatibility / Fitment Guide
| Application | Model/Type | Notes |
|---|---|---|
| Tsunami MK1 Replacement | T1200 / 4612 Series | Direct retrofit of existing footprint. |
| Standard Bilge Hose | 1" (25mm) or 1-1/8" (29mm) ID | Dual barb size included. |
| Vessel Types | Power, Sail, Fishing, Sport | Ideal for bilges or livewell systems. |
OEM Cross Reference
| Attwood MPN | 5612-7 (Retail) / 5612-1 (Bulk) |
| Attwood MK1 Ref | 4612 / T1200 |
| Johnson Pump | L1250 / 28512 Equivalent |
| Rule Equivalent | Rule 1100 / 20R |
Questions & Answers
Is this an automatic bilge pump?
No, this is a manual (non-automatic) pump. To automate it, you will need to connect it to an external float switch or a manual/auto dash switch.
How do I know if it is compatible?
If you currently have an older Attwood Tsunami MK1 (T1200), this unit is a direct "drop-in" replacement and will fit the existing screw holes and hose connections.
Does "Retail Packaging Not Included" mean it is used?
Not at all. This is a brand-new, never-installed unit supplied in OEM bulk packaging. It is the exact same pump you find in the retail box, just without the cardboard display packaging.
Note: Professional installation is recommended. Ensure the correct 5A fuse is installed to protect your vessel's electrical system. For more information, visit 4boats.co.uk.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
