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10-13-2015, 05:25 PM
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#1
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Site Team
2009 25' FB International
2018 27' Globetrotter
Tavares
, Florida
Join Date: Mar 2014
Posts: 3,726
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Propane Level
We have our AS out for our first extended trip (5 nights). It is cold at night here in western PA and while we keep the thermostat low at night we are still using the furnace often. I have one full tank of propane (I know this because I filled it up) and one with an undetermined amount from when I bought our AS this summer. I'm not worried about running out of propane but was thinking it sure would be nice to know how much remains in the partially used tank. Especially since I don't want to get up in the middle of the night to switch.
So my question, is there a way to measure/see how much propane is in each tank? What do you experts use?
Thanks!
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10-13-2015, 05:33 PM
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#2
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Rivet Master
2006 23' Safari SE
Biloxi
, Mississippi
Join Date: Nov 2011
Posts: 8,278
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Pull the tank and weigh it.
__________________
MICHAEL
Do you know what a learning experience is? A learning experience is one of those things that says "You know that thing that you just did? Don't do that."
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10-13-2015, 05:39 PM
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#3
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Rivet Master
2016 25' Flying Cloud
Venice
, Florida
Join Date: Apr 2015
Posts: 1,024
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Very simple. Set the control to auto switch, when it switches to the full tank the other one is empty, just check it daily so you know.
__________________
Joe
Venice, FL
2016 FC 25RTB
TAC FL-47
2018 Nissan Titan XD Cummins Diesel
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10-13-2015, 05:55 PM
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#4
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Rivet Master
1972 25' Tradewind
North Vancouver
, British Columbia
Join Date: Feb 2006
Posts: 3,421
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If you want to know how much propane is in the tank, simply pour warm water over the cylinder and then feel the side of the tank. You can feel the change in warm metal to cold. The cold is where the propane is. This is how I gauged how much propane was left in a cylinder when I lived in my trailer one winter. Also, if it's cold enough for frost to form on the cylinder, you'll see a line in the frost indicating the propane level. Hope this helps.
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Cameron & the Labradors, Kai & Samm
North Vancouver, BC
Live! Life's a banquet and most poor suckers are starving to death! - Mame Dennis
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10-13-2015, 05:59 PM
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#5
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Rivet Master
Airstream - Other
2016 Interstate Grand Tour Ext
Bosque Farms
, New Mexico
Join Date: Jan 2004
Posts: 7,030
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If your cylinders are the standard 30-pound size (so-called seven gallon), then look at the number following the letters "TW" on the collar of the cylinder. This figure is the weight of the cylinder's metal (steel, aluminum) alone with no propane.
- A completely full cylinder will be TW + 30.
- A completely empty will be TW.
If you do not know the size of your cylinders yet, then check the number after the letters "WC" on the collar. This indicates the capacity of the tank in pounds for water when the cylinder is filled to the standard 80% level. Multiply WC by .42 to find out the weight of the propane that your cylinder can contain with it is full.
- WC X .42 = propane capacity of your cylinder.
Lynn
__________________
ACI Big Red Number 21043
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10-19-2015, 12:35 PM
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#6
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1 Rivet Member
Powder Springs
, Georgia
Join Date: May 2015
Posts: 13
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Hans,
I'm wondering the same thing. Doing some research online I ran across this:
https://www.rvupgradestore.com/Seele...play-p/709.htm
We have a similar level indicator for our '16 FC but it doesn't include the LP gauge. I wonder why AS didn't include it?? I also wonder how hard it would be to add it?
Here is an easier to use after market gauge, prolly what I'll end up getting:
Propane Tank Gauge | World Market
Bug
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10-19-2015, 12:58 PM
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#7
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Full Time Adventurer
2007 27' International CCD FB
Nomadic
, USA
Join Date: Jul 2013
Posts: 2,748
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Quote:
Originally Posted by gabugman
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I actually have this gauge. While it works, it doesn't fit inside the propane cover. I keep it on my tank for our grille.
Most of the new Airstreams have the auto switch over. If you know which tank is full, I would simply set the source tank to the half empty tank. When it's empty it will switch over to the full tank and the indicator will turn red. Now you know it's empty, go fill it.
__________________
Family of 5 exploring the USA with a Ram Power Wagon & Airstream in tow.
OUR BLOG | INSTAGRAM
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10-19-2015, 05:32 PM
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#8
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Wise Elder
2010 30' Classic
Vintage Kin Owner
South of the river
, Minnesota
Join Date: Dec 2009
Posts: 4,169
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Quote:
Originally Posted by Hans627
So my question, is there a way to measure/see how much propane is in each tank? What do you experts use?
Thanks!
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Two separate things going on here.
Your trailer should have a dual-tank regulator that uses the propane from one tank, then switches to the other while at the same time showing a red flag to let you know that you have an empty tank. They aren't perfect but work well, other than some limitations in extremely cold (below 20 degrees) weather. That should eliminate the need to switch tanks, and should ensure that one tank empties first so you can take the empty tank to be refilled.
There are three ways to measure the level of propane in a tank.
1) You can weigh the tank, which is a nuisance because you have to remove it, and you have to have a scale. This will give accurate results and works on any removable tank that is small enough to lift.
2) You can run hot water down the side and try to feel for the difference in temperature. This doesn't always work as well as you might like.
3) You can get tanks with float gauges. Two ways to go on this, you can get tanks that are manufactured with a separate threaded port for the float gauge, which are expensive (but worth it). Or you can have a propane dealer replace the tank valve with one that has a float indicator on it.
The add-on gauges that thread onto your existing tank valve only measure pressure and will only tell you when the tank is empty or nearly so. Avoid them.
I have tanks with the float gauge in a separate threaded port on my Airstream. On my Cayo I have to use nonstandard tanks for which no float gauges are available so I just run one until the flag on the regulator turns red.
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To learn to see below the surface, you must adjust your altitude
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10-19-2015, 06:03 PM
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#9
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Rivet Master
1971 25' Tradewind
1993 34' Excella
Currently Looking...
Estancia
, New Mexico
Join Date: Feb 2005
Posts: 7,743
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Quote:
Originally Posted by Jammer
The add-on gauges that thread onto your existing tank valve only measure pressure and will only tell you when the tank is empty or nearly so. Avoid them.
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Ditto
You can also thump the tank with your knuckles. The fuller tank will have a higher pitch. (or is it the other way around?)
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Sail on silver girl. Sail on by. Your time has come to shine.
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10-21-2015, 06:54 PM
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#10
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retired USA/USAF
2001 30' Excella
Somerset
, New Jersey
Join Date: Jan 2009
Posts: 2,418
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Pick it up and shake it. Works every time
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Roger in NJ
" Democracy is the worst form of government. Except for all the rest"
Winston Churchill 1948
TAC - NJ 18
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10-21-2015, 07:37 PM
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#11
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2020 Classic 33
Box Elder
, South Dakota
Join Date: Oct 2013
Posts: 1,731
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Buy a Propane tank sonic measuring device like the one from Truma or the MosCap Red GasCheck Propane Tank Liquid Level Indicator. They work well. MosCap can be found direct or at Amazon.
On the question from bug on the SeeLevel system the LPG bit only works with tanks that have a separate level indicator that uses a float. There is an electronic piece that fits on the face of the gauge. This is standard on the 2015+ Classic. Not sure about earlier classics.
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Gary
2020 Classic 33 Twin, 2019 Ram 3500 Longhorn, ProPride
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