Good Sam Club Open Roads Forum: Tankless Hot Water Heater (Gas)
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Open Roads Forum  >  Do It Yourself Modifications and Upgrades (DIY)

 > Tankless Hot Water Heater (Gas)

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LynnandCarol

Rockport, TX

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Posted: 04/03/22 01:13pm Link  |  Quote  |  Print  |  Notify Moderator

Has anyone removed their electric/gas water heater and replaced with a tankless on demand hot water heater (Gas). Something we are intrested in doing, but don't have clue how to shop and install.

pianotuna

Regina, SK, Canada

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Posted: 04/03/22 10:09pm Link  |  Quote  |  Print  |  Notify Moderator

LynnandCarol wrote:

Has anyone removed their electric/gas water heater and replaced with a tankless on demand hot water heater (Gas). Something we are intrested in doing, but don't have clue how to shop and install.


The consensus has been that on demand may not be preferred.

Some folks have had success with them, but if there are electrical hookups then the hot water becomes "free", when using a traditional tanked heater.

* This post was edited 04/04/22 09:20am by pianotuna *


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Posted: 04/04/22 05:37am Link  |  Quote  |  Print  |  Notify Moderator

Our unit came with a tankless (Girard2) then while at a rally the manufacture switched it out to a Truma. Between the 2 I would recommend the Truma but from what I hear they require only that a Truma dealer install their unit.


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valhalla360

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Posted: 04/04/22 07:09am Link  |  Quote  |  Print  |  Notify Moderator

We had one on our boat and hated it. It was difficult to get the temperature set right. It would either scald or be ice cold.

Ventilation is a big consideration also that make it difficult.


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philh

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Posted: 04/11/22 06:57pm Link  |  Quote  |  Print  |  Notify Moderator

if the tank version allows both energy sources, that is nearly unlimited anyway.

TurnThePage

North ID

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Posted: 04/11/22 09:39pm Link  |  Quote  |  Print  |  Notify Moderator

In the past they required a pretty good water flow to actually get hot water. I don't know if that's still the case. I guess that's fine if you always have full hookups.

We like to go off grid. I'm not sold on them.

On edit: Sorry, that's not really what you asked.


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Bird Freak

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Posted: 04/12/22 07:29pm Link  |  Quote  |  Print  |  Notify Moderator

I know a few that have them but I don't know of any that like them.


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markchengr

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Posted: 04/17/22 06:54pm Link  |  Quote  |  Print  |  Notify Moderator

Many of the newest RV's come with the Truma Aqua Go which gives instant hot water. It has a one liter reservoir of hot water so it doesn't need time to sense the water flow. I think it has become the new standard.

rclifton

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Posted: 04/22/22 03:12pm Link  |  Quote  |  Print  |  Notify Moderator

I’ve had the girrard (version 2) installed since Jan of 2017 in my travel trailer. My wife and I have loved it! It uses very little propane when running, mounts in the same opening as the old unit did (takes less space then the 6gal it replaced in fact).

Not sure what some of the other posters were going on about, it’s pretty easy to set the temp as it has a digital temp control. Find the number that works for you, set it and forget it. We use 107 degrees and it’s nice to get the exact same temp shower every time. As for ventilation, it obviously needs to be vented to the outside but since it goes in the old opening you’re fine, it doesn’t require any other ventilation aside from that. The poster that mentioned water pressure was partly correct. In the years we’ve had ours we have only encountered the problem twice tho, where the water pressure at a park was so poor that the water didn’t get hot. Simply turning on our water pump to supplement the flow from the park with additional water from our tank solved the issue both times.

Lantley

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Posted: 04/22/22 06:11pm Link  |  Quote  |  Print  |  Notify Moderator

I'm still trying to understand the goal/point of a tankless RV water heater.
In a home you benefit from energy saving and unlimited hot water.
In an RV there is negligible energy savings and there is little need for unlimited hot water.
I'm not sure what the pupose or benefits of a tankless RV heater?
A tankless water heater requires less space otherwise I don't know any other pro's?
For the record I have a tankless water heater in my stix and brix house


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