









The Whale Watermaster High Flow 12V Water Pump with Easi-Push Plug delivers a powerful fresh water supply of up to 15.8 litres per minute, making it ideal for caravans and motorhomes fitted with compatible Whale Watermaster sockets.
Designed to simplify the transfer of fresh water from an external water container into your touring vehicle, this high-performance submersible pump provides a convenient solution for everyday water supply requirements. Whether you are using the kitchen taps, washroom basin or shower, the Whale Watermaster High Flow Pump helps deliver a dependable flow of water throughout your caravan or motorhome.
Featuring a maximum flow rate of 15.8 litres per minute, the pump is designed to support water systems with multiple outlets, including installations with a shower. Its high-flow performance makes it particularly suitable for touring vehicles where a consistent water supply is important for washing, cleaning and everyday use.
The pump incorporates Whale’s anti-airlock technology, helping reduce problems caused by trapped air within the pump and supporting reliable water delivery. This practical feature is particularly beneficial when connecting a fresh water container or restarting the system after the water supply has been replenished.
A key feature is the Easi-Push™ plug connection, designed to provide a straightforward and secure connection to compatible Whale Watermaster external water inlet sockets. Simply position the submersible pump inside your fresh water container and connect the plug to the vehicle’s water inlet.
The system is suitable for both microswitch-controlled and pressure switch-controlled water systems, providing versatility across a wide range of caravan and motorhome installations.
Its extra-flexible PVC hose is designed to resist kinking, making it easier to position inside a water container and store between trips. The pump also features a protective strainer and dust cover to help prevent debris from entering the water system.
Operating from a standard 12V DC supply, the Watermaster High Flow Pump is designed for efficient operation within compatible leisure vehicle water systems. The submersible pump component can also be replaced when required, helping simplify future maintenance.
Enjoy a powerful and reliable fresh water supply with the Whale Watermaster High Flow 12V Pump, combining high-flow performance, anti-airlock technology and a secure Easi-Push connection.
This pump replaces the 921 pump.
High Flow Performance: Delivers up to 15.8 litres of fresh water per minute
12V Submersible Pump: Designed for caravan and motorhome water systems
Easi-Push™ Connection: Secure plug connection for compatible Whale Watermaster sockets
Anti-Airlock Technology: Helps minimise trapped air and maintain water flow
Multiple Outlet Support: Suitable for systems with taps and shower outlets
Dual System Compatibility: Works with microswitch and pressure switch systems
Flexible PVC Hose: Kink-resistant construction for convenient positioning and storage
Protective Strainer: Helps prevent debris entering the pump
Replaceable Pump: Submersible pump can be replaced when required
Easy Water Connection: Simplifies transferring water from an external container into the vehicle
Voltage: 12V DC
Maximum Flow Rate: 15.8 Litres Per Minute
Flow Rate at 1m Head: 14.8 Litres Per Minute
Flow Rate at 3m Head: 12.8 Litres Per Minute
Current Draw: Approximately 3.8A at Maximum Flow
Recommended Fuse: 5A
Pump Length: 12.9cm
Pump Width: 3.6cm
Weight: Approximately 0.5kg
Plug Type: Whale Easi-Push™
Socket Compatibility: Compatible Whale Watermaster Water Inlet Sockets
Water System Compatibility: Microswitch & Pressure Switch Systems
Hose Material: Flexible PVC
Pump Body Material: ABS Plastic
Seal Material: Nitrile
Operating Water Temperature: 3°C to 40°C
Maximum Continuous Running Time: 15 Minutes
Standard shipping is a flat £4.99 and is free on orders over £75. Orders using standard shipping are usually delivered within 1-2 working days of placing your order.
We will rush to dispatch your order same or next working day, but will contact you if there will be any delays. Please note that orders are not shipped on weekend or bank holidays.
A next day courier option is available for £6.99 - orders placed before 2pm will arrive the next working day, however any order placed after this time will not be dispatched until the following day.
If for some reason your order has not arrived within this time or if you have any queries regarding your order, please contact us.
If you wish for your order to be delivered to the following: Scottish Highlands, Northern Ireland or Isle of Wight/Isle of Man additional delivery charges may apply.
Please see our full delivery & returns policy and information here: Delivery & Returns Policy