One problem with these submersible pumps on flexible rubber pipes is that they can often curl up inside the barrel, meaning that the pump on the end is not fully underwater.

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If a floatation valve failed all that would happen is the water barrel would overflow. If its an external tank then there would be no risk the the caravan. If the tank were internal, then yes there would be a flooding risk. But as the floatation valves are basically a domestic float valve, just consider how we rarely give them a second thought in our domestic water tanks and cisterns. They are basically very reliable, and there is no reason why the versions used in caravans would be any less so. Most will be filled from an external water-carrier through a second port on the side of the caravan. Others are like some motorhomes, and can be filled with a hosepipe, through a filler cap on the side of the vehicle. External water supply connection ports on the caravan sidewall Generally, fixing a pressure switch on a caravan or motorhome is not a DIY job. Its probably something your service centre is going to have to assist with. To connect water for you to use, you need a reliable caravan water pipe or hose. Choose between a great range of brands at Halfords, such as Truma and W4. Once you're done using your Aqua Roll or Wastemaster, you can safely store the equipment in our helpful Olpro storage bags until your next trip. Caravan toilet system The boiler should also be drained, especially before any frosts are due. This is because freezing water in the pipes or boiler will expand and could cause expensive damage.

However, more generally, its because of the choice of materials used which can create issues for the user. For instance, the type of flexible pipe used between the caravan connection than the pump itself. On-Board Diaphragm Water Pumps A smart fix for this, devised by DIY guru Rod Farrendon, makes use of a product called Pipesnaps. These are rigid, split plastic tubes, designed to be clipped on to household pipes for decorative purposes.

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Systems vary between van brands, but the logic is usually similar. Many feature a selector switch, which changes the water source from an external one (Aquaroll/Waterhog) to the internal fresh-water tank. However, you shouldn’t worry about dry running for short periods of time. For instance, with a submersible pump when the Aquaroll is empty.

With a direct feed via a pressure reducing valve, you only need a particle of debris to get across its valve seat for the van's pipework to be subjected to the mains pressure. Water is effectively not compressible, when static everything sees the supply pressure. I also hope you consider coming to visit us here at Horton Common to try our fully serviced pitches, where you can leave your Wastemaster at home! I've never found the direct connection gives me as good a flow for showers etc as the Aquaroll and pump.This allows the tank to be filled from an Aquaroll. It will take approximately 2.5 Aquarolls to fill the tank completely. Alde wet systems are rather different. Where Truma and Whale use hot air to heat the vehicle, Alde uses a domestic-style radiator set-up – pumping hot liquid around the caravan to radiator panels that are hidden behind the furniture. Control panel for Alde heating system Grey water – waste from the sink, handbasin and shower – leaves the caravan from two pipes located under the bottom edge of the van.