Frequently Asked Questions
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This 10L/min 30 PSI 12V water pump and accumulator set provides a neat, ready-assembled solution for campervan, motorhome and caravan fresh water systems.
The system combines a 10 litre per minute quad diaphragm pressure pump with an accumulator tank to provide a smooth, consistent water supply to taps and showers. The accumulator helps reduce water pulsing and rapid pump cycling, resulting in quieter operation and more stable water pressure.
Both the pump and accumulator are pre-mounted onto a sturdy panel, saving installation time and giving you a much neater finished system. Spacers are fitted beneath the components to ensure the pump and accumulator sit at the same height, keeping the connecting pipework correctly aligned and reducing unnecessary strain on the fittings.
At the heart of the system is a 10 litre per minute, 30 PSI quad diaphragm pump, paired with an accumulator tank to provide smooth and consistent water delivery. The accumulator helps reduce pulsing at taps and showers, minimises rapid pump cycling and helps the pump operate more quietly and efficiently. The pump automatically starts when a tap is opened and switches off again once the required system pressure is reached.
The 30 PSI operating pressure is particularly important for leisure vehicle installations incorporating a Truma Combi boiler. Many similar pump and accumulator sets offered by other sellers use 45 PSI pumps, but this can cause issues with the pressure relief valve.
A filter/strainer and 2 x 1/2" BSP to 1/2" barbed fittings are included, allowing connection to suitable 1/2" ID flexible fresh water hose. The mesh strainer helps prevent debris from reaching the pump's internal diaphragms and valves and makes it easy to see when cleaning is required. If you are using a 12mm push-fit water system, a 1/2" BSP to 12mm push-fit fittings can be purchased
Yes. The pump operates at 30 PSI, making it suitable for fresh water systems incorporating a Truma Combi boiler. Some alternative pump and accumulator sets use 45 PSI pumps, which can provide more pressure than is appropriate for a Truma Combi installation.
A 30 PSI pump provides plenty of pressure for a campervan or motorhome water system without unnecessarily increasing pressure throughout the plumbing. This is particularly important where equipment such as a Truma Combi boiler is installed.
The pump has a maximum flow rate of 10 litres per minute, providing good water delivery for taps, sinks and showers.
The accumulator stores a small amount of pressurised water. This helps smooth the water flow, reduces pulsing and prevents the pump from switching on and off as frequently when only a small amount of water is required.
Yes. This system uses a quad diaphragm 12V pressure pump, designed for reliable operation in leisure vehicle fresh water systems.
Yes. The pump and accumulator are pre-mounted onto the supplied board. Spacers are used so both components sit at the correct matching height, helping keep the connecting pipework properly aligned.
Yes. The supplied fittings are 1/2" BSP to 1/2" barbed connectors. For a 12mm push-fit installation, these can be replaced with 1/2" BSP to 12mm push-fit connectors, available separately here.
Can't find the answer you're looking for?
Give our technical team a call on 01271 611015 (Option 2) and we'll be happy to help.