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RV-Dreams.com Home -> RV-Dreams Community Forum -> RV Maintenance and Technical Tips -> 100lb propane tank issues
Post Info TOPIC: 100lb propane tank issues
keith1000


RV-Dreams Community Member

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100lb propane tank issues
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Hi all. 

I joined this great site to ask this question that has haunted me this summer season. 

I have a older travel trailer that is pretty much set up as a park model it doesn't move much anymore. I have always used 30lb tanks with no problem.  This spring I decided to use a 100lb tank for the first time. Well for the second time this season the tank emptied not switching over to my full 30lb backup tank causing my fridge to go out, good thing I was there when it emptied. The indicator on the regulator still showed green. I've tested with a empty 30 and regulator works fine. 

Any idea why the empty 100 still holds enough pressure to prevent the indicator from dropping red and feeding off the other tank?

Any ideas? Balance with a second 100lb tank?  I don't have a second tank nor can afford one to test.  Open the tank and empty it completely maybe to much air? Have tank purged again? It's a older construction tank probably retested at one point, say 08 few years left. 

 

Thx guys

Keith



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BugSplatter07


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Couple questions: 1) how are you plumbing the line coming from the 100lb bottle into your system? 2) are you using a regulator on the 100lb bottle and then another one on your RV system?

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Terry and Jo


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Bugsplatter has asked the first question I was going to ask, so I don't need to go there, other than to say to only use one regulator.

Secondly, while a 100 pound propane cylinder will have higher pressure after all the liquid has vaporized, I'm surprised that it isn't switching over.  In honesty, we have been "static" full-timers now for 4 years.  We've used 120 gallon tanks in both Oklahoma City and now here in Colorado.  I prefer the tanks because one has a gauge on the tank and they will last a lot longer than a 100 pound cylinder.  This last winter in Colorado, the LPG supplier came around about every 5 weeks and topped off the tanks in the RV park, so we never ran out.  If you want to consider a tank instead of a cylinder, check with your local LPG supplier and see if they will lease the tank to you and keep it filled.

Terry



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