Woodalls Open Roads Forum: LP gas tankless water heater intended for a house in a RV


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rpegram

Eastern NC

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Joined: 09/07/2009

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Posted: 02/04/12 05:48am

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dougrainer wrote:

The RV LP regulator can supply 210,000 Btu's of gas for a RV system. Yes, the size of the Piping is a significant factor, but the LP system CAN supply the volume of LP as long as the piping is the correct size. Doug

For an RV system yes. These systems are designed to run on LP systems used in the RV industry, but the OP was asking about home style tankless heaters that require a lot of gas at one time.

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Gdetrailer

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Posted: 02/04/12 01:34pm

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I should also note that some RVrs have also installed a second regular RV water heater and connected them in series (hot out from first goes to cold of second and hot out of second goes to your RV hot water lines). This would give you 12 gallon of hot for about $300-$500 depending on DSI or pilot RV tank.

Another option for you is upgrading to a 10 gallon water heater. Not sure as to the current pricing but you could then sell your 6 gallon tank on the used market and get back a couple of hundred.

But honestly, I have no trouble getting a 10-15 minute shower with a six gallon water heater WITHOUT turning the water on/off.

Mine actually heats the water above scalding without adding cold water to mix it.

Here is how I do it.

First start the hot (setting it to just start to spray lightly), once it gets too hot I add cold to suite my preference. This works out to at least 1 hot to 3 cold ratio since water is so hot.

If I have that figured out correctly that is 24 gallons of water (6 hot and 18 cold). At 15 minutes that gives me 1.6 gallon per minute shower which isn't bad since most home showers are restricted to 2.5 gal per minute flow.

My method isn't going to pin you to the shower wall but it gives plenty of pressure to get the job done.

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Open Roads Forum > Travel Trailers > Modifications and Accessories

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