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Designed to provide a convenient and reliable fresh water supply, this complete external pump assembly transfers water from a portable container into your caravan or motorhome. It is particularly suitable for touring vehicles where an external water container supplies taps, washbasins and shower facilities.
Featuring a powerful 12V high-flow submersible pump, the Watermaster EP1622 delivers a maximum flow rate of 15.8 litres per minute, helping maintain effective water delivery throughout your vehicle. The high-flow performance makes it particularly useful for caravans equipped with multiple water outlets, including showers.
One of its standout features is the Whale Easi-Squeeze™ plug, specifically designed to connect to compatible Truma Crystal II water inlet sockets. The secure plug arrangement provides a straightforward connection between the external water container and the vehicle’s existing water system, while the squeeze-release mechanism makes disconnection convenient.
The pump also incorporates anti-airlock technology, helping minimise trapped air and supporting consistent water flow. This is particularly beneficial when replacing an empty water container or restarting the system after a period of storage.
An extra-flexible, kink-resistant PVC hose makes the assembly easier to position inside a water container while helping prevent restrictions caused by bending. The flexible construction also allows the hose to be stored more conveniently when travelling.
Additional practical features include a protective dust cover and safety strainer, helping reduce the risk of debris entering the water supply. The electrical and water pathways are separated within the connection assembly for dependable operation.
The EP1622 is compatible with both microswitch-operated and pressure switch-controlled water systems, providing flexibility across a range of caravan and motorhome installations. Its submersible pump component can also be replaced separately when required, making ongoing maintenance more straightforward.
Designed for use with fresh water, the pump operates from a standard 12V DC supply and is suitable for intermittent operation, with a maximum recommended continuous running time of 15 minutes.
Enjoy dependable high-flow fresh water delivery with the Whale Watermaster EP1622 Easi-Squeeze Pump, purpose-designed for Truma Crystal II caravan water connections.
High Flow Performance: Delivers up to 15.8 litres of fresh water per minute
Truma Crystal II Compatibility: Specifically designed for compatible Truma Crystal II water inlet sockets
Easi-Squeeze™ Connection: Secure plug with convenient squeeze-release mechanism
12V Submersible Pump: Suitable for caravan and motorhome fresh water systems
Anti-Airlock Technology: Helps reduce trapped air and maintain water delivery
Multiple Outlet Support: Suitable for water systems with taps and showers
Dual System Compatibility: Works with microswitch and pressure switch systems
Flexible PVC Hose: Kink-resistant construction for convenient use and storage
Protective Strainer: Helps prevent debris entering the pump
Replaceable Pump Component: Allows straightforward replacement when required
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 at Maximum Flow: 3.8A
Recommended Fuse: 5A
Pump Length: 12.9cm
Pump Width: 3.6cm
Weight: Approximately 0.5kg
Plug Type: Whale Easi-Squeeze™
Socket Compatibility: Truma Crystal II
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
Storage Temperature: -30°C to 60°C
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