Ingrid, this is the link to a tankless (instant) HSW. It is the same size as a Suburban unit, therefore fits in the same place. I think it is also cheaper.

www.ebay.com.au/itm/Girard-Tankless-Instant-On-demand-RV-Hot-Water-Heater-Caravan-Motohome-Endless-/181219000651
Larry

Hi Griddy and welcome to the forum

I dont have one of these but this link is to another ebay item at $200 odd, however i would google for some information

www.ebay.com.au/itm/like/281566077557

Good luck

-- Edited by Phil C on Thursday 16th of April 2015 06:21:32 PM

That ebay one would stop you from free camping unless you had a generator of at least 3Kva probably 4Kva so you would have spend heaps and cart a lot of extra weight. Better off getting the Girard one. But each one of us has different requirements.

Griddy wrote:

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really, I would just like hear from those who have used this ECO instant system. I would like to know if the water is hot enough for over the sink.

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 hi Griddy,

one of the great things about this forum is the friendly advice, off topic banter and often suggestions of other ideas that may be applicable to your question. In other words you will not always get exactly what you are looking for as other may come out with ideas you may not have thought about. Also you will get all and sundry putting up posts, the choice is yours to take or reject the advice given  

Your "really" statement may put a few people off side in answering you, we a a friendly lot and don't take too kindly to those kind of posts. 

You have a great day

Dougwe wrote:

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Hey Phil! Your hose must have a kink in it mate. Kinky!

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 No kink mate, just bent. Raining down here thank goodness, water tanks filling up and we are sitting in a warm caravan. 

Be good ha old bugga

Griddy, this unit heats to a maximum of 55C so may not be hot enough for what you want. I would work on only getting 50c. Boiling point of water is a 100c.

-- Edited by Dav4Cris on Saturday 18th of April 2015 05:45:04 AM

A friend travelling with us at the moment has an RV Hot Water Brand unit which uses a 3,400 watt element to heat the water. So you would need to be AWARE of what other ELECTRIC caravan appliances were in use at the time the Hot Water unit was being used. As the 15 amp supply is 240 volts x 15 amp= 3600 watts, he has told me that at times in van parks he has tripped the safety devices on the power poles. The water flow is also restricted on this unit so it can HEAT the water quicker and it takes about 10 seconds to fill a coffee mug for an idea of the flow available.

There are definitely better ways of acquiring hot water than using this type of device.

Cheers Kev.

PhilC, senior member, My "really", was just me thinking out loud, like "well", da da da . It certainly was not meant to be sarcastic. I see no need for that type of comment on a forum which is established to help people So I have been misunderstood.
Thank you gougwe and to all those useful pieces of information that have been posted for me, (this is not meant to be sarcastic) I now have a better understanding of the system. Yes I certainly have thought, why not the kettle.. You know, when we first began caravaning I said to my able husband at the time "I love you, I love this nomadic life and I love my hot water service" But not necessarily in that order. But I think i will have to revert to the kettle.