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10-13-2015, 06:49 AM
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#1
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Junior Member
Join Date: May 2015
Posts: 16
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Help w/propane
Looking for way to fill onboard tank farm 5gal cylinder.
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10-13-2015, 07:00 AM
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#2
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Senior Member
Join Date: Sep 2012
Posts: 4,232
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You can't "fill" an ASME tank from any other container, be it another ASME tank or a DOT cylinder. You can "equalize" them, but once the pressures equal, that's it.
There are kits and you can buy fittings on your own to install a port to connect a DOT cylinder to your ASME tank plumbing, but that's about it.
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10-13-2015, 11:47 PM
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#3
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Senior Member
Freightliner Owners Club
Join Date: Apr 2007
Posts: 432
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Sheetshaker----I fill my MH all the time this way but there is a trick to it. You need a Tee in the hi psi line before the reg. and a hi psi flex line to go from the tee to your 20lb tank. Hook these up turn the 20lb up side down and open valve, next place a 1gal bag of ice on top the MH tank to cool it and find a way to warm the 20lb tank the liquid lp will flow to the MH tank until it is empty of liquid takes about 1 hr. I use a heat lamp to heat the tank and have used a heating pad. Have filled tanks this way for years.
__________________
2001 Horizon 2004 jeep GC
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10-13-2015, 11:52 PM
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#4
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by jesilvas
You can "equalize" them, but once the pressures equal, that's it.
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Which is why, here in WA, they are required to use a temperature compensated pump and meter. Assures you getting the propane you pay for.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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10-14-2015, 02:43 AM
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#5
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Senior Member
Join Date: Jul 2014
Posts: 35,349
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Quote:
Originally Posted by autofish
Sheetshaker----I fill my MH all the time this way but there is a trick to it. You need a Tee in the hi psi line before the reg. and a hi psi flex line to go from the tee to your 20lb tank. Hook these up turn the 20lb up side down and open valve, next place a 1gal bag of ice on top the MH tank to cool it and find a way to warm the 20lb tank the liquid lp will flow to the MH tank until it is empty of liquid takes about 1 hr. I use a heat lamp to heat the tank and have used a heating pad. Have filled tanks this way for years.
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The problem with your method is you could overfill your tank, if not carefull.
If you connect to the fill port, the 80% valve will stop that from happening.
Will propane flow out of an upside down 20 lb. tank with a OPD valve ?
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10-14-2015, 04:16 AM
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#6
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Moderator Emeritus
Nor'easters Club Fleetwood Owners Club Workhorse Chassis Owner
Join Date: Dec 2011
Location: NH
Posts: 5,099
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A propane filling station is the safe way to go. Propane is not something to experiment with. Very unfriendly.
__________________
Bruce & Nancy
FMCA F280542
2004 Bounder 35E
US Navy Vet.
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10-14-2015, 05:38 AM
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#7
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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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Quote:
Originally Posted by autofish
Sheetshaker----I fill my MH all the time this way but there is a trick to it. You need a Tee in the hi psi line before the reg. and a hi psi flex line to go from the tee to your 20lb tank. Hook these up turn the 20lb up side down and open valve, next place a 1gal bag of ice on top the MH tank to cool it and find a way to warm the 20lb tank the liquid lp will flow to the MH tank until it is empty of liquid takes about 1 hr. I use a heat lamp to heat the tank and have used a heating pad. Have filled tanks this way for years.
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if your going to go through all this trouble, why not just hook up the 20 pound tank since you have the T and the line already?
__________________
2014 Fleetwood Bounder 35k
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10-14-2015, 05:49 AM
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#8
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Senior Member
Join Date: Jun 2012
Location: The Bluegrass State
Posts: 8,886
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I use Tractor Supply Stores to fill our motorhome tank and the other BBQ grill farm) tanks. With a smaller "onboard tank farm 5gal cylinder" you may need to be able to remove the tank for inspection of the tank and/or date of manufacture. This is for your own protection.
__________________
Good Luck, Be Safe and Above All, Don't Forget To Have Fun
Pete
Central Kentucky
2006 Fleetwood Discovery 35H, 2014 Honda CR-V, M&G Engineering Braking System
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