I wanted something that could be used with the minimum of setup time , and also something that took up as little packing space as possible
I started with a 55 l tank which is mounted under the car . I specifically wanted a tank that was separate from the drinking water tanks , as this allows me to top it up with grey water
View forwards
View from the back. The tank is flush with the rear fuel tank
I had the above heat exchanger made up
Here it is plumbed into the heater box. This allows me to control the flow of water through the exchanger by adjusting the heater slider inside the car . This allows me to control the heat of the water coming out the shower , and does away with the need for separate hot and cold taps .
A handheld shower attaches to an outlet under the car which is fed by it’s own pump. The shower can be placed in the funnel while you are showering , which recirculates the water back into the tank , while you are busy washing. It also is where you fill the tank .
NOTE I seem to have caused quite a bit of confusion here with the above pic. The shower is placed in the funnel ONLY to save water. It is not necessary to recirculate the water to heat it, it gets as hot as 65 deg when passing through the heater on the first pass
The shower curtain in the open position .
It is stored on the roof of the camper when not in use , and is totally out of the way
Heine's Ramblings and Rumblings 
May 29, 2013 at 22:50
Is the tank stainless steel or aluminium?
May 30, 2013 at 12:31
Stainless
June 1, 2013 at 20:47
Very impressive. Well done!
June 10, 2013 at 02:05
Nice writeup there, thanks for sharing!
I’ve been looking at doing this for my 110, could you explain the internals of the heat exchanger?
Cheers,
Clint
June 10, 2013 at 08:32
Hi Clint , more or less got the idea from here http://www.yankeetoys.org/black900rr/shower/Shower.html , you may need to change pipe diameters etc to fit a defender
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February 4, 2018 at 07:03
Had a fuel tank under the vehicle.
It was made from Aluminium.
One cannot believe the dings & distortions the Alu took without springing a leak.
Alu therefore gets my vote.