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Old 11-11-2006, 07:26 PM   #15
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We run with the gas on, although we turn off the refrigerator before entering gas pump areas. I feel comfortable enough, especially with the new OPD valves that we are safe traveling with it on.

BTW, I do avoid fuel stops where there are other RV's at the pumps. Why? Because I don't know if those folks have turned off their refrigerators. I know I have, but I trust no one but myself.

This topic has been wrung out in various threads over the years. If I remember correctly no one has posted a thread regarding an accident where an operating refrigerator has cause a problem while out on the road. I think we have seen a story or two about a problem while fueling though.

Jack
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Old 11-11-2006, 07:51 PM   #16
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We travel with gas on for the refrigerator. I am not concerned about gasses building up in the trailer because of the high amount of air leakages in the trailer, especially going down the road at 60 mph. Every window, door/gasket, vent gasket, access hatches, etc., etc. leaks a small amount of air especially when air at 60 mph is blasted at it. The vacuum pulled behind the trailer as it goes down the road helps pull fresh air thru.This air infiltration causes the air in the trailer to be replaced with outside air at a very high frequency. Much higher than say with the trailer parked.

For those concerned about explosions and catastrophies caused by major gas leaks in the trailer, you can relax. I was told by a propane expert this summer that the new OPD gas valves come with automatic check valve. If flow exceeds a fairly low amount, the check valve at the tank trips and shuts off the flow completely. This is not to say propane gases can't build up inside the trailer, especially if parked, only to say a big gas leak is very unlikely if not impossible with the new valves.
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Old 11-11-2006, 07:54 PM   #17
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Typically travel with it on, typically for the fridge and/or furnace depending on the time of year. With OPD valves a sudden failure or line rupture will shut the tank down. I do pull off to the side when entering a fuel station to shut down the fridge or furnace prior to refuelling. Also on my current truck that gives the turbo a chance to cool down.

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Old 11-11-2006, 08:18 PM   #18
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Definately gas on ,have always had the fridge on electric before departure then on with the gas ,done it for thusands of miles ,pull over to a nice place
go into the airstream and get out an ice cold Coke or water .Im not concerned of any trouble and all has been just fine .

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Old 11-13-2006, 07:54 AM   #19
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Quote:
Originally Posted by wahoonc
. With OPD valves a sudden failure or line rupture will shut the tank down.
Aaron
Didnt know that, thats a nice feature.
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Old 11-13-2006, 08:06 AM   #20
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On without question. A call to Dometic, personally confirmed that the fridge is designed to operate while in transit. Newer automatic type fridges will also try to relight if the burner gets blown out. If you have to push one button, hold, while pushing another button to light the fridge (manual type), you have the old version, but the thermocouple would also cut gas to the burner/pilot if a flame out were to happen. Additionally, if something bad were to happen, say a rupture of the LP line, the OPD valve would automatically shut down flow. LP is most likely one of the safest types of fuel to transport. RVing has been using this setup for nearly a half century, with improvements added as found (like OPD) increasing the saftey margin. It is not a foolproof system, but it's pretty darn good in my book, good enought to keep the gas on and the fridge working while in transit. Don't know about the furnace, but I'm sure a call to Atwood would clear that up in a heartbeat.

I would however turn off the fridge when filling the tow vehicle.
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Old 11-13-2006, 11:40 AM   #21
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Old 11-13-2006, 12:32 PM   #22
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I "run" with the gas on for the fridge. I don't think I would try to run the furnace though. I just haven't thought of it and don't plan on camping in that type of weather.

My fridge is on the curb side and my fuel filler is on the street side. Since I get diesel and always go for the outter most island, that puts the fridge panel farthest from the nearest island. Plus, with a 30' trailer whose kitchen is midship (30' Safari has front bedroom, mid-salon, and rear bunks) and the diesel pump at most gas stations is at the very end of the island, the exterior fridge panel is usually quiet far from the nearest pump so I don't turn the fridge off before pumping. Even on calm days, any fumes would be so diffused that there should be no risk of ignition if the fridge should happen to light while fueling.

At truck stops, the islands are single pump arrangements so the entire trailer is at least 10 feet from the pump and the fridge panel is another 10 feet from that. Whenever possible I go for truck stops because they are easier to navigate in and out of.
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Old 11-13-2006, 12:44 PM   #23
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FWIW the standard Flamable Zone is 50' perimeter. I have seen video of a fire that was exacerbated by a lit RV fridge. A fire started on a vehicle that was refueling, possibly by static spark, the guy yanks the nozzle out of the vehicle without shutting it off, spewing raw gas around the pump island area, which in turn ignited the TT causing a pretty massive blaze. I tow with fridge on, and in very cold weather I do run the furnace too. I do pull to the side prior to refueling and shut the fridge down. But typically I try to refuel without the trailer attached if possible.

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Old 11-13-2006, 12:59 PM   #24
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We cool the refrigerator with AC starting the day before a trip. That even works in AZ heat.
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Old 11-13-2006, 02:55 PM   #25
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OFF----After the first night out the fridge stays cold, till we hit the next stop. turning off the gas before hitting the road is on our check list, the one we made after our first trip when we forgot to close the roof vents.
Only takes a min to click it back on after we stop, and if its going to be a long day on the road I can allways put the beer in the ice chest, and thats the most important thing after getting set up for the evening...
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Old 11-13-2006, 04:11 PM   #26
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Quote:
Originally Posted by wahoonc
FWIW the standard Flamable Zone is 50' perimeter. I have seen video of a fire that was exacerbated by a lit RV fridge. A fire started on a vehicle that was refueling, possibly by static spark, the guy yanks the nozzle out of the vehicle without shutting it off, spewing raw gas around the pump island area, which in turn ignited the TT causing a pretty massive blaze. I tow with fridge on, and in very cold weather I do run the furnace too. I do pull to the side prior to refueling and shut the fridge down. But typically I try to refuel without the trailer attached if possible.

Aaron
Well if you are going to pull the nozzle out with the gasoline still flowing, I'm going to run in the opposite direction and all bets are off. Every man, woman, and child (other than my own) for themselves! The guy cranking up at the next island could set that off! (That's within 50')
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