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05-19-2013, 11:45 AM
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#21
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Senior Member
Join Date: Feb 2013
Posts: 7,101
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Michael, was that a towable?
I always assumed that towables were 110/LP, but truck campers and motorhomes were 110/12/LP. You may have broken my theory 
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05-19-2013, 12:42 PM
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#22
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Member
Join Date: May 2013
Posts: 54
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It's my understanding that they discontinued 12 volt for the fridge some time ago.
I had a couple different units that had 12v for the fridge, and boy they could drain the battery in no time.
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05-19-2013, 04:34 PM
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#23
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Senior Member
Join Date: Mar 2012
Posts: 1,136
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It was a Holiday Rambler 5th Wheel. You would only use the 12v mode during towing which eliminated the fuel stop issue of running it on LP - which makes me nervous conceptionally.
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Mike & Pam '12 36RL, Kodiak Discs, 17.5" G114s H-Rated, SRE4000 w/HD Shackles, Joy Rider Shocks, Flex Air, 5.5 Onan, W&D, DW, 4 Scare Lights, (2) 6V Trojan T-145s; Progressive EMS-HW50C, Winegard DTV Sat, Sony/Denon 4K Home Theater, WiFiRanger EliteAC Pack, weBoost 4G-X Cell Booster.
2022 RAM 3500 Limited CC, LB, 4x4, DRW, Max Tow, Cummins HO, AISIN, 4.10, Mopar 30K w/OEM Prep, Transfer Flow 70gal Aux Tank/Toolbox.
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05-19-2013, 05:42 PM
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#24
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Senior Member
Join Date: Aug 2012
Posts: 619
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Many years ago we had one that was a 3 way, 110. 12V, & gas, but none of ours since then have had the 12V. I think the fridges got to0 big for the 12V power, and if they did, they could run down your battery in no time. Some of the pickup campers with the small fridge may still have them.
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Roger & Cheryl Full Time since 2002, RVing since 1975 2008 Chevy 3500 Crew Cab Dually, 2012 RW 36RL
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05-19-2013, 06:06 PM
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#25
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Senior Member
Join Date: May 2013
Posts: 335
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It's my understanding that all of the modern fridges like Dometic and Norcold need 12v power for the control circuit when running on propane.
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2012 Redwood 31SL chasing 2019 Denali HD 3500 Duramax SRW
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05-19-2013, 07:55 PM
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#26
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Senior Member
Join Date: Aug 2012
Posts: 619
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They use 12v. for the light, control panel and circuit board but not to heat the ammonia solution which is what an absorbent refrigerator uses instead of a compressor and Freon.
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Roger & Cheryl Full Time since 2002, RVing since 1975 2008 Chevy 3500 Crew Cab Dually, 2012 RW 36RL
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05-19-2013, 09:41 PM
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#27
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Senior Member
Join Date: Dec 2012
Posts: 514
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Now camping at Toledo Bend, made it fine on propane for the refrig and on shore power now for 8 days of camping.
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2012 Ford F450 Lariat FX4 dually, 2013 Redwood 36FB Red and Black Painted
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05-19-2013, 10:08 PM
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#28
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Senior Member
Join Date: Jan 2012
Posts: 2,811
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We generally fuel up at the major Truck Stops and figure the Fridge is quite a ways back from the pumps and Diesel isn't anywhere as explosive as Gas, so I don't worry about it at all. When we had our TT and a Gas TV, yep we would stop before pulling up to the pumps and turn the Fridge off, Gas up, then pull away from the pumps and turn the Fridge back on. PITA to say the least.
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Michelle & Ann
2018 Chevy 3500HD Crew Cab High Country DRW, D/A, 2016 RW39MB, Dual ACs, Auto Level, Auto Sat Dish, Stack W/D, King Sleep #, 17.5" Sailuns w/Disc, MORryde IS & Pin, Comfort Ride Hitch, 5.5 Onan, Res Fridge & Induction Cook Top
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05-19-2013, 11:30 PM
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#29
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Senior Member
Join Date: Feb 2013
Posts: 7,101
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I will say when I get ready to leave and kill power at the pedestal, that fridge fires up like a blowtorch! It must have a big flame compared to my old 8 cubic foot Dometics I'm used to 
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05-25-2013, 05:54 AM
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#30
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Senior Member
Join Date: Dec 2012
Posts: 514
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A guy pull into the campsite next to me yesterday and said he had a blow out on his way. It tore up his fender and gas lines. Had his propane been on and the burner for the refrigerator it could have been bad.
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2012 Ford F450 Lariat FX4 dually, 2013 Redwood 36FB Red and Black Painted
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05-25-2013, 11:05 AM
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#31
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Site Team
Join Date: Jan 2012
Posts: 5,407
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I don't think it would've been a problem. The Refrigerator is up pretty high and while going down the road the LP gas would be blown out and away from the trailer. In my opinion the only time the LP refrigerator could cause a problem in if you're in a closed area like a garage. Diesel fuel fumes aren't like the gas fumes so I wouldn't worry around the diesel fuel islands.
In all the years I've been around RVs ...I've never heard of one blowing up around a fuel island.
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SOB "The RV Wiseguy"
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05-25-2013, 11:22 AM
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#32
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Senior Member
Join Date: Feb 2013
Posts: 7,101
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Quote:
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Originally Posted by Buddy
A guy pull into the campsite next to me yesterday and said he had a blow out on his way. It tore up his fender and gas lines. Had his propane been on and the burner for the refrigerator it could have been bad.
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Probably not. If the propane lines were tore up, his refrigerator would not have been on anyway, but realistically the LP from the downstream side of the regulator is very low pressure and is heavier than air. It would need to collect in a confined space low to the ground for quite a while to cause any kind of risk.
The high pressure side of LP system is provided with overflow safety valves in the tanks and primary hoses that would close off if unrestricted flow was encountered from a failed hose.
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Brad & Dory - Lone Tree, CO
CURRENT - 2013 Itasca Meridian 42E/2013 Wrangler 4dr Sahara
SOLD - 2014 Redwood 36RL/2014 F350 DRW
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