Coast Resorts Open Roads Forum: Tech Issues: Tankless hot water heaters
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lornaschinske

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Posted: 01/22/11 10:25am Link  |  Quote  |  Print  |  Notify Moderator

RoyB wrote:

American RV Company just sent a newsletter out today showing the RV Industry's First On-Demand Induced Draft LP Tankless Water Heater... $600 - $700


Girard Tankless Water heater @ PPL

$759 if you want to use it in winter!


Lorna
This post is my opinion. It is not intended to influence anyone's judgment nor do I advocate anyone do what I propose.
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motorcycle jack

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Posted: 01/22/11 11:47am Link  |  Quote  |  Print  |  Notify Moderator

I would believe those prices are a "RV is different" price, which it is not. A home unit must have the propane line run to the area you mount the water heater. It also has to be vented to the outside. I would check around at various plumbing supply houses, H.D., Lowes, Sears and others. You find one that will work for a LOT less.


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o3suncruiser

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Posted: 11/15/11 08:04pm Link  |  Quote  |  Print  |  Notify Moderator

lornaschinske wrote:



Please post the info here on this thread. I personally have a problem with the price of the RV500. Even if I won the Powerball, I still would have a problem with the price.


I just won the Powerball sort of. The RV Tech in our area that I worked with for this had just pulled an RV 500 out of an elderly gals RV because the sound of the gas burner scared her.

So he sold me her unit which she used for about a week. It is the 10 gal $1300 unit. He sold it to me for $500 plus I had him install it.

Wife now has endless showers...she loves it.

It is a little wierd thought to not have to turn on the cold water. How you get your 104 degree shower is just done differntly.

SoakedKarma

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Posted: 11/15/11 09:49pm Link  |  Quote  |  Print  |  Notify Moderator

The problem I saw with tankless is they are much more susceptible to freezing as the passage ways are much smaller than a 3/8 water line.. first thing to freeze and split.. quite expensive for a friend yet all other lines flowed freely ..

Lady Fitzgerald

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Posted: 11/16/11 06:26am Link  |  Quote  |  Print  |  Notify Moderator

o3suncruiser wrote:

...It is a little wierd thought to not have to turn on the cold water. How you get your 104 degree shower is just done differntly.


Are you sure you don't have a Girard? Those are the ones that regulate water temperature by regulating water flow. The RV500s put out water at a constant temperature no matter the water flow and the end point water temperature is regulated by mixing the hot water with cold water.


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snowshe

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Posted: 11/25/11 10:07pm Link  |  Quote  |  Print  |  Notify Moderator

When our son picked up new 2012 Wildcat I was impressed with the tankless water heater. After a one month trip with it he and I came to realize that these units are NOT A GOOD THING for RVing.
1. they do not have hot water untill you run it for a while
2. they waste too much water -- not what you want when dry camping
3. you have to empty the grey tank more often
4. you cannot use the electric hookup to heat the water when at full service

He is thinking about having it replaced with a 10 gal electric/dsi gas unit like I have in our unit. I have not run out of hot water in our 10 gal dsi/ electric in our 5er (even after two full showers). I would not buy a unit with the tankless water heater unless they replaced it with a 10 gal electric/dsi unit.

That my/our experience.


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spitfirepete

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Posted: 11/27/11 06:32am Link  |  Quote  |  Print  |  Notify Moderator

snowshe wrote:

When our son picked up new 2012 Wildcat I was impressed with the tankless water heater. After a one month trip with it he and I came to realize that these units are NOT A GOOD THING for RVing.
1. they do not have hot water untill you run it for a while
2. they waste too much water -- not what you want when dry camping
3. you have to empty the grey tank more often
4. you cannot use the electric hookup to heat the water when at full service

He is thinking about having it replaced with a 10 gal electric/dsi gas unit like I have in our unit. I have not run out of hot water in our 10 gal dsi/ electric in our 5er (even after two full showers). I would not buy a unit with the tankless water heater unless they replaced it with a 10 gal electric/dsi unit.

That my/our experience.


This is my experience also.....I do not like it at all.....and when the thermisters fail you have no electric backup.....don't waste your money.


Peter and Linda
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mike4947

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Posted: 11/27/11 08:20am Link  |  Quote  |  Print  |  Notify Moderator

I have to agree. Check the specs on the RV rated tankless units. Most are rated in the number of degrees they will raise the input water temp. Camp with outside temps of 40 degrees or less and you'll find luke warm water at best.
And it bears repeating Tankless units designed for residential use are NOT suitable for RV usage. They will not withstand the vibrations of the RV when traveling. Not to mention if the company finds out their residential unit was used in an RV it automatically voids the warranty.


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Dave1131

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Posted: 11/27/11 10:08am Link  |  Quote  |  Print  |  Notify Moderator

I like the tankless idea

But!

if you are a boondocker and go with no hook ups,
having the extra 6 to 10gal in the hot water storage tank
could come in handy

If you have a tankless, you only have your main water tank as storage

on my camper
I have 40 gallons of water and while i'm filling the tank I turn the pump on to fill the 6 gallon hot water tank before I leave, total 46 gallons of water.

if i would have a tankless, when I leave home I will only have 40 gallons of fresh water.

That could make a difference in how long you can stay with out going looking for water


as for wasting water while getting the shower to temp,
there is systems like these that you could design and build yourself.

Have fun
Dave


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mike4947

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Posted: 11/27/11 01:05pm Link  |  Quote  |  Print  |  Notify Moderator

The problem with figuring you have 6 extra gallons to use with a water heater is how do you get those 6 gallons out? Once the pump has emptied the fresh water tank; that's all folks. Unless you go outside and drain it out through a low point drain to use.

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