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Author Topic: propane vs butane are they interchangeable  (Read 449 times)

AnnaDoll

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propane vs butane are they interchangeable
« on: July 18, 2017, 09:08:52 PM »
have an rv that takes butane but need to know if i can use propane instead. my stove and fridge run om butane can i use propane instead just need it to run the fridge wont be using the stove

halfwright

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Re: propane vs butane are they interchangeable
« Reply #1 on: July 18, 2017, 09:38:35 PM »
I do not think that you can buy butane any more. The reason for the change was butane would not change into a gas (boil)at lower temperatures. Some older people,myself included, still call any liquefied petroleum gas butane. They do have a different molecular structure, but will interchange.
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AnnaDoll

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Re: propane vs butane are they interchangeable
« Reply #2 on: July 18, 2017, 09:46:58 PM »
Thank you so much its my our first motorhome and wanted to make sure we could inter change them thanks for the answer.

Isaac-1

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Re: propane vs butane are they interchangeable
« Reply #3 on: July 18, 2017, 09:57:41 PM »
Be careful buying "propane" if you move around the country much (go to higher altitudes, and colder climates), or if you have  a generator that runs on propane as not all propane is created equal.  See http://www.propane101.com/propanegradesandquality.htm
2002 Safari Trek 2830

AnnaDoll

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Re: propane vs butane are they interchangeable
« Reply #4 on: July 18, 2017, 10:03:38 PM »
i will park it some where hopefully after im done fixing it up

AnnaDoll

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Re: propane vs butane are they interchangeable
« Reply #5 on: July 18, 2017, 10:05:09 PM »
i only want to use it for my fridge what other options do i have for a fridge

John From Detroit

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Re: propane vs butane are they interchangeable
« Reply #6 on: July 19, 2017, 06:53:50 AM »
I am amazed they made one that takes Butane.

The facts. Butane burns just a LITTLE bit hotter.. generally not so much you will notice

It cost less

And it has a "Vapor Temperature"  around the freezing point of water...  Propane is closer to -40

What does that mean?  It means if the weather out is below freezing your butane powered stuff simply don't work. but it will if it's propane powered down to almost -40.
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BigLarry

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Re: propane vs butane are they interchangeable
« Reply #7 on: July 19, 2017, 09:48:52 PM »
I saw my Dad build a wood fire under our butane tank back in the 50's so we could keep the liquid from freezing on nights that the temperature got below 10F.  When the liquid butane froze and stopped vaporizing, our butane heaters quit heating!!!
Larry and Betty
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Lou Schneider

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Re: propane vs butane are they interchangeable
« Reply #8 on: July 19, 2017, 10:33:27 PM »
Right.  Butane stops turning into vapor at around freezing,  propane around -40 degrees.

This means pure propane works much better in extremely cold temperatures.

Most propane you purchase is a mixture of propane and Butane, blended so it will stay volatile below the lowest expected temperature in the area where it's sold.  There was a minor scandal in Quartzsite several years ago when a propane dealer sold Mexican propane with a high Butane content at a good price.  Then people left Quartzsite for colder areas, the fuel stopped vaporizing and all their gas appliances stopped working.
« Last Edit: July 19, 2017, 10:46:34 PM by Lou Schneider »

2kGeorgieBoy

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Re: propane vs butane are they interchangeable
« Reply #9 on: July 19, 2017, 11:53:37 PM »
Just out of curiosity, what kind and how old is this RV of yours? Are you sure it really uses butane, in this day and age?  And how did you determine this? Are you sure the seller wasn't using the terms propane and butane interchangeably?
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AnnaDoll

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Re: propane vs butane are they interchangeable
« Reply #10 on: July 20, 2017, 10:14:23 AM »
my husbands family owns the rv his grandmother to be exact but the day we saw the inside she was on vacation. At the moment it is being stored at husbands aunts house. his uncle says it sleeps 8 and that it ran on butane I believe its a midas mini motorhome thats all i know at the moment.

Gary RV_Wizard

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Re: propane vs butane are they interchangeable
« Reply #11 on: July 20, 2017, 11:49:48 AM »
I suspect he was just using "butane" as a generic term for any LP (Liquefied Petroleum) gas. Few places even sell bulk butane and I know of no RV designed exclusively for it. Most people and many fuel stations say "propane", but that is usually a generic term as well. It's all "LP".
Gary
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