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Can I manifold 2 propane tanks together ?
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sand85
Posted 9/5/2014 22:24 (#4058208)
Subject: Can I manifold 2 propane tanks together ?


C IL
Been done for fuel and water tanks.

Can this be done for propane tanks? I read online that it can be done with a tee-block manifold, but I am wondering if that is for vapor only. Same for the auto-changeover regulators that look like they are built for rv or grill tanks.

I don't believe everything I read off of a random google search is applicable to my less consumer-type need for liquid propane to the dryer.

This year will have two tanks of unequal size on bin heater fans. Liquid draw. One older tank with bottom draw. One newer tank with top draw with the drop tube. Would prefer they all run off of the combined tank volume rather than one fan running out of heat before the other and having to switch around lines.

Edit to add: I just need the info, not a safety lecture. The coop service guy will get called to come do the work and use appropriate fittings (if possible), I just like to broaden my horizons on information sources so I don't get shoehorned down the easiest path for someone else instead of what is best for me.

Edited by sand85 9/5/2014 22:29
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150 farmer
Posted 9/5/2014 22:40 (#4058230 - in reply to #4058208)
Subject: RE: Can I manifold 2 propane tanks together ?


Pontiac, IL.
We have two 1000 gal tanks plumbed together for our grain bin dryer/ whole farm emergency generator. Hicksgas plumbed the two together. Don't know much for details, but know they are liquid draw. Not sure if two different size tanks would make a difference.
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Franz
Posted 9/5/2014 22:54 (#4058249 - in reply to #4058208)
Subject: RE: Can I manifold 2 propane tanks together ?


Ohio
We run 2 ezee drys off of a 500 and 1000 gallon tanks tee'd together although we only draw off of one tank at a time. Both tanks are bottom draw. We keep an eye on the gauge and switch the valves when one gets low.
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boog
Posted 9/5/2014 23:08 (#4058268 - in reply to #4058208)
Subject: RE: Can I manifold 2 propane tanks together ?



I have two 1,000 gal propane tanks teed together. One is top draw & the other is bottom draw that feed two in bin driers. I have pulled from both at the same time but normally pull from each one separately. They are also teed into the 2" line that runs from a 2,500 gal tank to our Top Dry and act as a back up supply for it. When feeding the TD, I run off of either the 2,500 or both 1,000. Have friends that have three 1,000 teed together feeding a TD.
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kggonzo
Posted 9/6/2014 00:07 (#4058309 - in reply to #4058268)
Subject: RE: Can I manifold 2 propane tanks together ?


Northeast Nebraska and Candelaria Philippines
Yes, it's OK to do this. If you are drawing liquid out of them, you need to run a separate line between the tanks to connect the vapor connections on the tanks together. This will keep the pressure equal.
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tedbear
Posted 9/6/2014 07:16 (#4058479 - in reply to #4058309)
Subject: RE: Can I manifold 2 propane tanks together ?


Near Intersection of I-35 & I-90 Southern Mn.
Seems like it should be easy enough but my nephew had problems when a local supplier tried to do this. A different supplier came out and tried. I'm not positive if this was successful or not.
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ahay68979
Posted 9/6/2014 07:45 (#4058523 - in reply to #4058479)
Subject: RE: Can I manifold 2 propane tanks together ?


Saronville NE
IDK why it wouldn't work. We run 2 tanks hooked together on irrigation motors all the time, lots of people do. But maybe Im misunderstanding the ?
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hillfarmer
Posted 9/6/2014 08:02 (#4058549 - in reply to #4058523)
Subject: RE: Can I manifold 2 propane tanks together ?



The top of the tanks need to be at the same height

and a vapor between the two tops also
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wmst
Posted 9/6/2014 08:25 (#4058587 - in reply to #4058309)
Subject: RE: Can I manifold 2 propane tanks together ?


overlooking Keg creek
we have 2 1000's and 2 500's plumbed to run one dryer. tanks are clustered together (level) with a manifold for the liquid. the vapor values are also plumbed together. We do watch the gauges as they empty. Not always reading exactly the same percentage.
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pupdaddy12003
Posted 9/6/2014 14:41 (#4059122 - in reply to #4058549)
Subject: RE: Can I manifold 2 propane tanks together ?



NW Central Ohio
+1...if you're pushing out liquid. I would say it would be feasible if they're both level..otherwise you're going to push product from one tank to the other..and if the valves get closed it might be overfilled.
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