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Old 04-23-2016, 12:17 PM   #1
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SHUT OFF the Propane at the tanks - OR NOT?

We've recently taken a couple of back-to-back short trips and simply left the propane valves open at the tanks. No having to purge air from the lines, Frige and Hot Water and Stove burners start right up.

So how dangerous is this?
Are the valves at the appliance end sufficiently robust to handle the constant pressure?
Does propane leak when the appliances aren't used for 5-10 days?
What do others do?
I would think full-timers generally leave the valves open for extended periods. True?

Observations, cautions, suggestions welcomed.
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Old 04-23-2016, 12:31 PM   #2
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I only turn mine off when refilling the tanks or if we are boarding a ferry or a tunnel that requires them to be off. We fulltime.
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Old 04-23-2016, 12:34 PM   #3
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I full time, so I'm around to catch a whiff o' propane on occasion.
The only time I would get the smell inside is when I run the pilot light on the oven and the tank goes empty. Flame dies and what little pressure in the tank that is left will flow a bit of the gas & smell.

I would turn them off, when not in use. No air will get in, no need to purge, until you remove to refill a tank.
I only have one open at a time, I ran myself out of gas one time letting the auto changeover happen without me checking on the green stripe.
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Old 04-23-2016, 12:41 PM   #4
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Mine is open all season, but when getting a refill.


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Old 04-23-2016, 01:14 PM   #5
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We leave them open all year. If there are any leaks in the fittings, valves, or lines anywhere is the system they should be found and repaired.
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Old 04-23-2016, 01:14 PM   #6
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Been on for 25 years except when refilling, fretting, or where required by law.
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Old 04-23-2016, 02:33 PM   #7
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Quote:
Originally Posted by AtomicNo13 View Post
Been on for 25 years except when refilling, fretting, or where required by law.
That sounds about right.

Now that said I did have a period when I was losing a bit more gas than i should have. Turns out the flared nut on the hose from the tank to the copper piping at the tongue had vibrated loose. Never enouth to smell just enouth to lose some gas while the trailer was stored.

So maybe once a year turn them off when you expect to be away from the trailer for weeks or more. When you turn the tanks back on if you hear any gas flow that will test the system for leaks.

The valves in the appliances should never leak.
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Old 04-23-2016, 02:35 PM   #8
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Should read ferrying......
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Old 04-23-2016, 02:36 PM   #9
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Leave them on, and leave the fridge on as well, unless you are refilling the LP or TV fuel tanks. Then, shut the fridge off, and restart it after you move away from the pumps. Personally, I feel my chance of there being a problem caused by leaving the tanks/fridge on is much lower than my chance of getting food poisoning from the stuff in the fridge getting a little too warm.
And one of our customers was involved in a serious accident with his Airstream, and the open LP tanks did not cause a problem.
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Old 04-23-2016, 02:41 PM   #10
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Should read ferrying......
That is a Coast Guard regulation that applies to anything stored in a ship hole.

On the 17 hour ferry from Port Hardy Vancouver Island to Prince Rupert we froze a couple of soda bottles the day before and they held the frig for the trip.
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Old 04-23-2016, 03:01 PM   #11
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I keep my tanks turned off when at home. Never really had any trouble restarting appliances. I have never turned my gas off when refilling gasoline or going thru tunnels. Never had the trailer on a ferry so will cross that bridge when I come to it.
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Old 04-23-2016, 04:05 PM   #12
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Chief, thats the reason there is a ferry there as you don't have a bridge to cross.

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Old 04-23-2016, 04:24 PM   #13
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Quote:
Originally Posted by AWCHIEF View Post
I keep my tanks turned off when at home. Never really had any trouble restarting appliances. I have never turned my gas off when refilling gasoline or going thru tunnels. Never had the trailer on a ferry so will cross that bridge when I come to it.

Ditto.

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Old 04-24-2016, 11:10 AM   #14
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closed when not in use. The furthest gas fired appliance away from the source is the water heater and it fires right up when we set up.
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