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03-03-2017, 08:04 AM
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#1
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Senior Member
Join Date: Sep 2015
Posts: 821
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LP Gas Frozen?
Here in Tombstone AZ, the night time temps have been COLD but finally the night temps are starting to warm up! Yesterday I was told, one of the fellow RV'ers LP Gas or Gas line froze and they had no heat. I think the tank just ran out...however I'm curious- is it possible for the LP gas or gas line to freeze up? The temp was 30 degrees. Comments?
Thanks
John
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John & Debbie
2008 Fleetwood Discovery 40X
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03-03-2017, 08:16 AM
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#2
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: May 2016
Location: Kamloops, BC, 60 miles from the Center of the Universe according to the Rinpoche, of the SF monks.
Posts: 7,397
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LPG will freeze, but only when it gets down to -44F.  Highly doubt there's was frozen. 
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Happy Glamping, Norman & Elna. 2008 Winnebago Adventurer 38J, W24, dozens of small thirsty ponies. Retired after 40 years wrenching on trucks! 2010 Ford Ranger toad with bicycles or KLR 650 in the back. Easy to spot an RVer, they always walk around with a screwdriver or wrench in one hand! 
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03-03-2017, 08:57 AM
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#3
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Senior Member
Join Date: Jun 2016
Posts: 113
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Frozen regulator?
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03-03-2017, 10:06 AM
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#4
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Senior Member
Join Date: Feb 2014
Location: Pensacola FL
Posts: 1,451
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If you look at the chart I have extracted from my owners manual you will see that the amount of BTU's you can extract from your LPG tank goes down dramatically with temp and how full the tank is.
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Brenda & AL
2017 Thor Venetian, T42 "Groot"
2020 Chevy Sonic, 2019 KTM 790 Duke
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03-03-2017, 11:08 AM
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#5
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Senior Member
Join Date: Jan 2016
Posts: 531
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Quote:
Originally Posted by Unplanned
LPG will freeze, but only when it gets down to -44F. Highly doubt there's was frozen. |
Propane doesn't freeze until around -300 degrees Fahrenheit. Its boiling point is -44. Shouldn't have any problems at all at +30 degrees.
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03-03-2017, 11:28 AM
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#6
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Senior Member
Winnebago Owners Club Workhorse Chassis Owner
Join Date: May 2016
Location: Kamloops, BC, 60 miles from the Center of the Universe according to the Rinpoche, of the SF monks.
Posts: 7,397
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Quote:
Originally Posted by Deep Water D
Propane doesn't freeze until around -300 degrees Fahrenheit. Its boiling point is -44. Shouldn't have any problems at all at +30 degrees.
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Sorry, I should have said "will not vaporize" below -44F. You are right. 
It will just be an ordinary liquid then, although a very cold liquid!
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Happy Glamping, Norman & Elna. 2008 Winnebago Adventurer 38J, W24, dozens of small thirsty ponies. Retired after 40 years wrenching on trucks! 2010 Ford Ranger toad with bicycles or KLR 650 in the back. Easy to spot an RVer, they always walk around with a screwdriver or wrench in one hand!
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03-03-2017, 12:01 PM
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#7
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Senior Member
Join Date: Jun 2012
Location: AB
Posts: 7,587
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I suspect the regulator is plugged with Butane Residue.
Propane suppliers in Southern Climates use a higher ratio of Butane which in hotter weather is not a problem. However, when the weather cools down, the Butane does not vaporize as readily and collects (a thick yellow goo) in the regulator to the point where the Reg will not function.
The regulator requires servicing.
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2019 Unity LTV CB, pushed by a 2013 Honda CRV, BlueOx Baseplate, Aventa Bar & Patriot Brake
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03-03-2017, 04:34 PM
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#8
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Senior Member
Winnebago Owners Club
Join Date: Aug 2013
Posts: 1,636
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x2 on a Butane mucked up regulator in the colder temps in area that don't usually get that cold and Butane cut propane is common.
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2012 Journey 40U (Our Incredible Journey)
2008 Dodge Dakota(TOAD) 2005 Honda Shadow in TOAD
AF-1 braking system
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03-03-2017, 04:40 PM
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#9
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Senior Member
Foretravel Owners Club
Join Date: Apr 2016
Location: Home is Where WE PARK IT...
Posts: 6,059
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Butane/Propane mix is also called IsoPropane if the propane is dominate, or IsoButane if butane is the dominate ingredient.
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Retired truckdriver,
'02 Foretravel... "This Shack will do"
being pushed by an '06 Scion xB
SKP's of Box Elder, South Dakota
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03-04-2017, 12:27 AM
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#10
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Oct 2013
Location: northern IL
Posts: 2,557
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Had it happen to mine a few days ago. The regulator can freeze up. Shut down whatever appliance you are running and allow it to defrost or a hairdryer does the trick. Mine would freeze up and then thaw and freeze up again. Not sure what causes it but I believe it has something to do with temp and possibly how much humidity there is.
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2014 Fleetwood Bounder 35k
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03-04-2017, 09:14 PM
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#11
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Senior Member
Winnebago Owners Club Fleetwood Owners Club Holiday Rambler Owners Club
Join Date: Dec 2011
Location: North East Florida
Posts: 2,028
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LP has a moisture content and when using a lot it is possible to freeze in the regulators orifice when its below freezing?
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2019 Horizon 42Q
Cummins L-9 450 HP
Maxum Chassis / IFS with Tag
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03-04-2017, 09:27 PM
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#12
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,982
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Quote:
Originally Posted by mojoracing
Had it happen to mine a few days ago. The regulator can freeze up. Shut down whatever appliance you are running and allow it to defrost or a hairdryer does the trick. Mine would freeze up and then thaw and freeze up again. Not sure what causes it but I believe it has something to do with temp and possibly how much humidity there is.
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Some how you got moisture in your regulator; it can happen when a line is open to air for an extended period, air was introduced into your LP tank; or you have a percentage of butane in your system as Dennis45 said.
Another possibility is when an LP tank is ran empty, it can introduce "dregs" from the bottom of the tank. Dregs accumulate when the propane you bought was not premium quality.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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03-04-2017, 10:35 PM
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#13
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Oct 2013
Location: northern IL
Posts: 2,557
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I have been using propane tanks designed for fork lifts. I rigged up a hose with that type of connection and run it through an extend a stay. The tanks get filled from our bulk tank at our manufacturing plant where I am staying so I assume it is fresh as it is replaced often. I did notice that the gas from our bulk tanks that I fill the fork lift tanks with and use on the motorhome seem to allow the furnace to give off much hotter air. I had one tank run out in the middle of the night and switched over to the motorhomes main tank which had been filled at an rv store and the furnace seemed to give off air that was much cooler in temperature. Could their be a difference?
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2014 Fleetwood Bounder 35k
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03-05-2017, 04:18 AM
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#14
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Senior Member
Join Date: Jul 2014
Posts: 35,446
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Are your forklift tanks setup for vapor use.
Some are designed for liquid propane use and the vaporizer is on the engine.
That would be marked on the tank.
The fitting is different because of that.
Do not use a liquid propane connection in a MH. Liquid propane expands 144 times, as it turns to gas. That needs to happen in the tank, before the regulator.
http://www.propane101.com/industrial...ecylinders.htm
Industrial Propane Bottles/ Forklift Cylinders Operation
Propane powered forklifts primarily use 33 pound cylinders as their fuel source and are equipped for liquid service. Because the cylinders are designed for liquid service, they have to be placed properly on the lift truck to operate correctly. Improper cylinder installation can result in loss of power and eventually complete loss of engine functionality.*
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