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Old 04-24-2004, 11:02 PM   #1
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Tankless water heaters

I am considering puting a tankless water heater in my 83 Limited. I went to a link for them at the topof one of the forums but every unit said "not suitable for RV use". First why are they advertising here if they are not suitable and second why are they not.

Way back in '89 I put one on my first RV. An '83 Toyota flip top which had no hot water. Mounted it over the kitchen sink and it worked fine. I thought doing in in my AS would be a piece of cake but really would like to know what the dangers are.

Thanks
David
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Old 04-25-2004, 06:38 AM   #2
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Bosch RV-500 Tankless water heater for Recreational Vehicles

http://www.gaswaterheaters.com/boats...V500/index.htm

This particular link has a very good FAQ sheet. I have never dealt with this company or heater. I just had the link for information.

The links at the top of the page are just generated based on keywords. In this case it is probably "water heater".
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Old 04-25-2004, 11:16 AM   #3
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Thanks BobbyW, Thats exactly what I'm looking for. Had not seen that one. It cost about 30% more that the others but then thats the RV life!!.

David
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Old 04-28-2004, 09:22 AM   #4
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Question Bosch rv 500 tankless water heater

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Quote:
Originally Posted by dmadam
I am considering puting a tankless water heater in my 83 Limited. I went to a link for them at the topof one of the forums but every unit said "not suitable for RV use". First why are they advertising here if they are not suitable and second why are they not.

Way back in '89 I put one on my first RV. An '83 Toyota flip top which had no hot water. Mounted it over the kitchen sink and it worked fine. I thought doing in in my AS would be a piece of cake but really would like to know what the dangers are.

Thanks
David
I am considering the installation of the tankless bosch rv 500 water heater..would appreciate a posting on how this unit works for you. Let me know how your installlation goes. I will be installing to an old #10 atwater in 1976 ambassador model airstream.. Thanks
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Old 04-28-2004, 09:31 AM   #5
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Hello!

$ 879.00
Yeeeeeooooww! Now that IS hot water, it burns my butt.

Buy the ten gallon water heater and lots and lots of LP!

Smily
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Old 04-28-2004, 09:34 AM   #6
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Tankless water heater installed

I am considering the installation of the tankless bosch rv 500 water heater..would appreciate a posting on how this unit works for you. Let me know how your installlation goes. I will be installing to an old #10 atwater in 1976 ambassador model airstream.. Thanks
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Old 04-28-2004, 09:38 AM   #7
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10 gal

Am I reading you correctly, you are replacing a 10 gal water heater in your 1976 Airstream?

That is the first I have heard of an OEM 10 gallon in an 1976 Airstream.

Is it OEM?

I was under impression that all AS trailers in that era came with 6 gallon WH's.

I was merely saying that I would move to a 10 gallon with all the bells and whistles before I would come off that kind of money for a WH. "IMHO"

Smily
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Old 04-28-2004, 10:59 AM   #8
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Quote:
Originally Posted by smily
Am I reading you correctly, you are replacing a 10 gal water heater in your 1976 Airstream?
My '75 Ambassador came with a ten gallon. A previous owner replaced it with a 6 and had to add a patch for the hole left behind.

The RV500 is the only RV specific inline water heater I have heard about. Reports from users have generally been positive. Some have found sources for it at under $700. I have also heard rumors that the mfg is providing a hydronic heating option that would allow it to substitute for or replace the RV furnace (there are some homebrew projects for this out there, too).

Its main advantages over a standard hot water heater include efficiency and continuous hot water availability, which could be useful with full hookups. A standard 6 gal tank water heater doesn't allow for two or more showers of any significance in a row and its 15k BTU or so burner takes a while for recovery.

The main disadvantages include cost and a small battery current requirement.
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Old 05-12-2004, 10:57 AM   #9
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I'm about to buy one of these units. I'm sick of worring about hot water, especially when i'm at a full hookup site. THe unit i'm buying is a refurbished unit for $200 less than retail with a no questions 1 year waranty. i'll let you guys know how it performs when i get it installed.
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Old 05-12-2004, 12:02 PM   #10
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Quote:
Originally Posted by smily
That is the first I have heard of an OEM 10 gallon in an 1976 Airstream.

Is it OEM?

I was under impression that all AS trailers in that era came with 6 gallon WH's.

Ken,

The Overlander (74) that I had came with a 10 from the factory. In the 70's I think the 10 gallon was part of the international package IF you had a tub. Part of the reasoning was that to fill the tub would take all ten gallons
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Old 05-12-2004, 09:51 PM   #11
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Brian
I would love to get feed back on the unit. I am currently remodeling mine and then spending 6+ months per year in it. good luck.
David
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Old 05-13-2004, 08:30 AM   #12
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Doesn't look water friendly if you are off hookup and waiting for the wwater to heat. I have a large gas unit in my home which is not as good as the larger oil tank was for really hot water.
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Old 05-13-2004, 09:13 AM   #13
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Is it possible (if money were no object) to put a small tank heater downstream from the tankless heater? I'm thinking this would overcome a frequent complaint about tankless systems, which is the time required to fire up and reach termperature. I think that would overcome the problem of water wastage when all you need is a quart of hot water to wash a few dishes.
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Old 05-13-2004, 10:12 AM   #14
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My father bought a brand new 31 footer back in 1973 and it came with the ten gallon as well. All of us kids were young then and he ordered the trailer with the tub and the hot water upgrade came with the tub. Just a little FYI.

Lou
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