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The Whale Mk5 Universal Manual Bilge Pump (BP0510) is a rugged, hand-operated bilge pump designed for reliable removal of bilge water, saltwater or diesel from boats, motorhomes, caravans or leisure craft. Its universal mounting design allows installation on deck, through the deck, or on a bulkhead without modification. Constructed from corrosion-resistant materials with a durable diaphragm and non-choke valves, this high-performance pump delivers excellent flow and dependable operation.
Versatile Mounting Options: Fits on-deck, through-deck or bulkhead positions for maximum flexibility.
High Flow Capacity: Delivers up to 66 litres per minute at ~70 strokes/minute for effective water removal.
Robust Construction: Glass-filled polypropylene body with nitrile diaphragm for corrosion resistance.
Easy Maintenance: Tool-free inspection hatch lets you clean or clear blockages fast.
Removable Handle: Quick-release handle with lanyard for simple operation and storage.
Manual Hand-Operated Pump — No power required, ideal for emergency or remote use.
Universal Mount Design — Fits deck, thru deck or bulkhead without extra adapters.
Max Flow Output: ~66 L/min (17.5 US gallons/min).
Hose Compatibility: For 38 mm (1-1/2″) ID hoses.
Max Suction Lift & Discharge Head: ~4.5 m (15 ft).
Maintenance Hatch: Large removable cover for easy cleaning.
Removable Stainless Handle: With lanyard for convenience.
| Automatic Bilge Pumps | No |
| Maximum Pump Head | Over 4.27 Metres |
| Hose Size | 38mm / 1-1/2" |
| Maximum Recommended Head | 4.5 Metres (15 Feet) |
| Maximum Suction Lift | 4.5 Meters (15 Feet) |
| Removable Handle | Yes |
| Inlet Outlet | To Suit 38mm (1-1/2") ID Hose |
| Brand | Whale |
| Type | Universal Mount |
| Voltage Description | Manual |
| Model | BP0510 |
| Height Description | Pump Body: 139mm (5-1/2") |
| Width | Pump Body: 187mm (7-3/8") |
| Length | Overall (including removable handle): 481mm (18-7/8") |
| Flow Rate Description | 42 LPM (11 US GPM) at 45 strokes per minute, 66 LPM (17.5 US GPM) at 70 strokes per minute. |
| Approvals | Approved by Lloyds (MCA) and USCG. Suitable as a primary bilge pump on boats equal to or greater than 12m (40ft) in accordance with ISO150831. |
| Application | Bilge Water, Salt Water or Diesel |
| Warranty | 5 Years |
| Country of Origin | United Kingdom |
✅ Mk5 Universal Manual Bilge Pump (BP0510)
✅ Removable Stainless Steel Handle with Lanyard
✅ Inspection Hatch Access for Maintenance
✔ No Power Required — Manual operation ensures pumping even without electrical supply.
✔ Versatile Installation — One pump for multiple mounting positions reduces need for extra parts.
✔ High Discharge Performance — Handles substantial bilge volumes quickly.
✔ Built to Last — Corrosion-resistant build suited to marine environments.
✔ Easy Servicing — Tool-free inspection hatch makes cleaning hassle-free.
Boat owners needing a reliable primary or emergency manual bilge pump
Caravan or motorhome users who want a compact manual pump for water transfer or drainage
Marine craft where dependable manual pumping is essential
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