The Floe Induratec 636 is suitable for caravans/motorhomes and boats. It is an innovative water drain down system, enabling you to completly drain down your vehicle is 2-3mins. All you need to do is drain your water heater, then start draining down with the Duratec.
 
This unit is small and lightweight, can be positioned in a cupboard it has it's own PCB brain and clever  compressor. The compressor will stop once it has reached the correct psi. It clears all the water, cleaning your pipes of bacterial build-up, so you will always have fresh clean water.
 
This unit cleans the water from your system so preventing any frost damage.