A three burner is quite a find.
There is an adapter that will let you use
the green propane cans and with the
proper hose, hook to a 20# tank.
https://amzn.to/2zlrsRK
I've got 2 and really like them.
www.oldcolemanparts.com
For parts and advice.
Pretty sure the guy I got mine from has quite a few three burners. Told me he bought a storage container full of coleman stuff. I think mine dates to 1996 or somewhere around there.
I never thought about trying to use it with propane......I kind of like using the white gas so far even if its not all that simple. Something about the process makes it more interesting I guess. But its cool to know I could swap if needed. Looks like that essentially replaces the gas tank and then the propane can would stick straight out off of that?...seems cumbersome as opposed to having a right angle in there so the can would tuck in against the stove?
I have found that site already lol!
Below is the three burner, my coleman 288, a bernz o matic propane lantern and the custom travel boxes I made for the lanterns; and my most recent craigslist score...a Coleman Catalytic Heater from 1967 that the seller gave me for free.
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