Portable On-demand Water Heater! - Fiberglass RV


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Old 07-24-2015, 01:52 AM   #1
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Portable On-demand Water Heater!

Good heavens. I've been researching small water heaters, but didn't expect to find a portable one:

EccoTemp Portable Tankless Water Heater $125.00
EccoTemp Portable Tankless Water Heater - Eccotemp L5 - Water Heaters - Camping World

For the most part, the customer reviews are quite good. Some people even use these to heat water in their kitchens (cabins, maybe?), to shampoo dogs and horses, and give outdoor showers to troops of people.

Has anyone used one of these? I love the idea of having the hot water available outside for quick shower-downs, and wonder if there's a way to run some inside just for quick dish & hand-washing chores?

LP
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Old 07-24-2015, 02:48 AM   #2
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There have been a number of threads on tankless heaters. Although a few members do use them I think most folks don't think they are the way to go in our eggs as they are plumbed in. If you end up with a trailer that doesn't have a water heater installed it might be the way to go. Let us know if you do end up with one and how it works out for you.
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Old 07-24-2015, 06:23 AM   #3
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If it's a hot outside shower that you need, look into the ZODI shower. Compact, all in one, including it's own reservoir & pump, and they work great
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Old 07-24-2015, 08:31 AM   #4
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Name: JD
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I bought one for $70.00 and I plan to installation the tongue to keep the heat and exhaust away from the trailer.
The unit I have has a 3" vent and I assume could be installed inside if there were provisions for combustion air, but I think it is safer outside.
I plan to bend up a stainless box with a door to house it.
I have a technician that works for me who uses one for his barbecue (Professional) trailer and he tells me that pretty much you can set it and forget it.
He uses the hot water 100% (with no cold tempering) to get enough flow to turn on the flow switch an once set it stays pretty good.



I am still considering a way to mount it on the trailer, but so far I have not come up with what I am satisfied with.
I have tried this unit on the LP tank and garden hose and it works quickly and has controllable heat and I think that I will be as happy with it and any other and not worry about running out of hot water. When I have had a chance to mount it I will post some pictures here.
Personally I think a mounting box could be fabricated to mount it through the sidewall and vent out the top of the box with vents for combustion air and keep all of the business parts on the outside of the envelope. It is hard to find a good place for in on my trailer on the shell, thus the mounting on the tongue.
It could be mounted off the rear bumper, but with a long line from the LP tank and longer lines to the front bath and kitchen. I prefer to keep the lines as short as possible to get hot water fast and less loss.
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Old 07-24-2015, 10:42 AM   #5
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we use one (a different maker) in our outdoor shower house ... superb.
also, in a business remodel they were placed under the restroom vanity to avoid long runs from the central plant.... works great !
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Old 07-24-2015, 10:59 AM   #6
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I am installing the same water heater in our Boler as we are adding a front bath. This Fastair model is designed for interior use with a roof vent. We are not yet ready to install it but will be using a standard gas water heater vent pipe and a capped roof vent for the installation. I will post pictures once we complete the project. We considered the tongue mount setup before we purchased this model then decided to put it in the bathroom since it was a ventable model.
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Old 07-24-2015, 11:02 AM   #7
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We used to use one of the Solar showers.... Blue Bag that heats in the sun, so you have hot water.... I like this a lot.
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Old 07-24-2015, 11:06 AM   #8
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We have one of those too ours is black, mainly for a backup in case the water heater should fail.
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Old 07-24-2015, 11:21 AM   #9
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Maybe mine was black- but pretty "Old School" technology
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Old 07-24-2015, 01:00 PM   #10
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I have a Coleman hot water on demand that is portable comes in its own carrying case and has shower attachment. We hook it up to a big propane tank not the little bottles sits on a table outside the trailer works great
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Old 07-24-2015, 01:24 PM   #11
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I had no idea these portable on-demand heaters were so inexpensive. Even more impressive when you consider that the Atwood or Suburban on-demand water heaters (designed to replace the tank system in the trailer) will set you back $700 or $800.
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Old 07-24-2015, 01:43 PM   #12
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You don't get something for nothing. Heating water takes a lot of energy. whether gas or electric. Gas heat will require a good size supply pipe, and adequate exhaust vent. Electric needs a heavy wire for about 30 amps.
Tankless heaters will give you hotter water at lower flow rates. High flows don't get as warm as the water spends less time in the heater.
At least, you won't need to worry about draining a tank style heater to avoid freezing. Good Luck!
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Old 07-24-2015, 01:47 PM   #13
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Wayne, you've lost me on this one. Where do you get 30A??? I put a HottRod in my Atwood 6 gal onboard water heater on my Scamp. It draws apx 4A. My wife has never complained running out of hot water when she's taking a shower with this add-on unit. We love it. The only time we'll use propane now is when we're off the grid.

Hott Rod Water Heater Conversion Kit - 6 Gallon - Diamond HR6 - Water Heaters - Camping World

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You don't get something for nothing..... Electric needs a heavy wire for about 30 amps. ..... Good Luck!
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Old 07-24-2015, 01:57 PM   #14
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Differences

Quote:
Originally Posted by rbryan View Post
I had no idea these portable on-demand heaters were so inexpensive. Even more impressive when you consider that the Atwood or Suburban on-demand water heaters (designed to replace the tank system in the trailer) will set you back $700 or $800.
That price difference is partly because the Atwood/Suburban units (which you can buy for about $500 if you shop) are designed for the full time hot water needs of a 3 bedroom/2 bath diesel pusher motorhome.

These little ones are not designed for high volume use nor are they designed to use in an RV, in fact some are specifically labeled that they are not to be used on RV's. They are sorta the "Cheapy" way to get bit of hot water.
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