ONE OF THE most common fresh-water supply pumping systems utilised by caravans is the Whale Watermaster.
The Watermaster assembly itself consists of a water/12V interface connector that mates with its socket counterpart on the side of the van, and a submersible pump which is lowered to the bottom of an appropriate water container, which in my case is a 40-litre Aquaroll, containing the fresh water.
The pump is connected to the interface connector by a length of interconnecting tube for the water and a 12V supply wire for the
