Retro-fit on board water system

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james12345

Original Poster:

591 posts

237 months

Tuesday 8th April 2014
quotequote all
I'm looking at buying a motorhome, but the one I've seen (that will suit us perfectly) does not have an onboard water tank. Currently it has a roller tank which would need to stand outside the 'van with a hose connecting it. There's a waste tank, so that's not an issue.

What I'm looking to do is to fit a new on board fresh water tank, possibly under one of the lounge seats. I can see that there's plenty of tanks available online, but not too much information about what fittings / connectors / pumps would be needed.

Does anyone know of a company that would supply all parts in a kit form? I'm more than happy to fit it all myself, but knowing what to buy in the first place would be a great start. Obviously the lower expense the better, and re-using whatever would be on the van in the first place is good - there's a tank connector on the outside of the van, with what appears to be a 12v connector to run the pump.

james12345

Original Poster:

591 posts

237 months

Wednesday 9th April 2014
quotequote all
It is a little unusual - it's an '86 Hymer 534, which originally had a porta potti. The current owners had a Thetford toilet fitted in its place, plus waste water - but I guess they felt that fresh was fine on an external tank still. They came from a caravanning background, so I guess that's what they were used to.