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The Whale Flipper Mk4 Manual Pump – GP0418 is a classic, reliable hand-operated freshwater pump designed for use in caravans, motorhomes, boats, RVs and campervans. Its curved ergonomic handle and robust internal valve design make it easy to draw water from onboard tanks and deliver a smooth flow to your tap or shower outlet without the need for electricity or batteries — ideal for remote camping or backup water supply situations. (asap-supplies.com)
Ergonomic Handle: Curved, comfortable handle makes priming and pumping effortless. (batteriesandsolar.co.uk)
Reliable Water Delivery: Smooth pumping action draws water effectively from tanks. (asap-supplies.com)
No Power Needed: Ideal when mains, generator or battery power isn’t available. (asap-supplies.com)
Durable & Serviceable: Sturdy construction designed for long life and easy maintenance. (midlandchandlers.co.uk)
Trusted Classic: A long-standing favourite in leisure water systems.
Model: GP0418
Type: Manual freshwater pump
Handle: Curved ergonomic pump handle
Material: Durable plastic with brass/spring components (where applicable)
Flow Direction: Draws water from tank to outlet without power
Suitable For: Freshwater systems in caravan, motorhome, RV and marine applications
| Specification | Details |
|---|---|
| Part Number | GP0418 |
| Pump Type | Manual hand pump |
| Delivery Type | Fresh water supply |
| Handle Style | Curved ergonomic |
| Installation | Inline or console mount depending on hose and bracket setup |
| Maintenance | Rebuildable valve cartridges available |
| Applications | Caravan/motorhome/boat freshwater systems |
| Brand | Whale |
| Type | Cold Tap |
| Model | Flipper MK4 |
| Height Description | Overall: 304mm |
| Width | Body: 61mm |
| Depth | Body: 103mm |
| Finish | Aluminium |
| Material | Aluminium Alloy Outlet |
| Colour | Aluminium |
| Diameter Description | Base: 54mm |
| Application | 13mm Inside Diameter Hose |
| Capacity Description | 7 LPM |
| Country of Origin | United Kingdom |
✅ 1 × Whale Flipper Mk4 Manual Pump – GP0418
Hose, clips and fittings are not included and may be required separately.
✔ Power-Free Water Supply: No reliance on batteries or electrical power — perfect for off-grid camping and emergencies.
✔ Smooth Pump Action: Curved handle gives a comfortable grip and efficient priming.
✔ Compact & Lightweight: Easy to install in tight galley or wet room areas.
✔ Field-Serviceable: Common seals and cartridges are available if rebuilding is required.
Caravan, motorhome and campervan freshwater delivery
Boats and marine freshwater systems
Backup or auxiliary water pumping when electric pumps are unavailable
Remote use where power access is limited
Mount the pump where it is accessible and convenient for regular use.
Connect to your freshwater tank using 12 mm flexible hose or push-fit pipe with appropriate clips.
Ensure the suction side of the pump is well-sealed to maintain prime.
Periodically service internal valves for best performance.
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