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Old 02-02-2014, 11:55 AM   #41
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Originally Posted by Brian B-P View Post
I just checked another Blue Rhino FAQ, and they still report a completely false and fraudulent statement in their section regarding the effect of temperature on pressure.
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Originally Posted by KarenH View Post
Which part of that section is false? The sentence "It is worth noting..."?
They quote some numbers from NFPA, which are correct and lend credibility to the rest of the message, just like spam claiming to be from someone authoritative.
The statement that the pressures quoted are for 20 pounds of propane are misleading -although not actually false - because those pressures are in fact entirely dependent on pressure and have nothing to do with the amount of propane.

Immediately after "It is worth noting...", this statement
Quote:
... tanks equipped with OPDs hold only about 17 pounds of fuel
is false and part of their underfilling fraud; they claim (using this false statement) that their previous 17-pound fill was all that would fit in a 20-pound tank, because of the OPD. Even members of forums like this readily learn that this is not true, so this cannot be a genuine mistake on Blue Rhino's part.

The following statement
Quote:
... hold only about 17 pounds of fuel, which results in lower pressures at the above temperatures.
is explicitly false, completing the false implication of the opening part. Again, the pressure of propane liquid and vapour in equilibrium is dependent only on temperature, not on the mass of propane or the volume of the containing space.

Of course "It is worth noting..." is also false, because everything they are noting is false and thus worthless.
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Old 02-02-2014, 11:59 AM   #42
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At the U-Haul where I get mine refilled - they used to do it by weight, but now charge by the gallon, with on inline meter - (the same method the LP truck that delivers to our 500 gallon tank uses.) .
Excellent! That's the ideal situation; unfortunately I've never found anyone who does this.

The trucks I've seen which deliver to customers do meter the product, but here they do not carry scales and thus will not fill small cylinders... and of course they won't come to your house to fill a couple of 20-pounders!
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Old 02-02-2014, 12:01 PM   #43
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As in all things, the price is the price. If you need the gas you pay the price.
The price is probably quite a bit lower at a bulk fill station than by tank exchange. That's not always readily available.

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Originally Posted by MyronL View Post
The galling thing is this: would anybody start out on a big trip with a gasoline tank that's not topped off?
I agree. Just one reason that I would not use a tank exchange, given a choice.
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Old 02-02-2014, 12:07 PM   #44
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Excellent! That's the ideal situation; unfortunately I've never found anyone who does this.

The trucks I've seen which deliver to customers do meter the product, but here they do not carry scales and thus will not fill small cylinders... and of course they won't come to your house to fill a couple of 20-pounders!
The truck meters are also temperature compensated to be accurate at all times of year. I've tried to get them to fill my small ones while they are here, but they say that they aren't allowed to. At the price of the bulk (ordinarily - not this winter) my 20# tank would get filled for less than $10.
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Old 02-02-2014, 12:09 PM   #45
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Never used a tank exchange, so I'm wondering.
When my tank has less than a year left before it has to be re-certified, can I exchange it for a full tank with a lot more time to go? I suppose not.
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Old 02-02-2014, 12:12 PM   #46
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Never used a tank exchange, so I'm wondering.
When my tank has less than a year left before it has to be re-certified, can I exchange it for a full tank with a lot more time to go? I suppose not.
I've never seen anyone check the expiration dates when I used to do the exchanges. But unless you get lucky, the one they hand you might be as close to expiring as yours is. Maybe a friendly service person would let you sort through them?
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Old 02-02-2014, 12:25 PM   #47
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When my tank has less than a year left before it has to be re-certified, can I exchange it for a full tank with a lot more time to go?
Quote:
Originally Posted by thoer View Post
I've never seen anyone check the expiration dates when I used to do the exchanges. But unless you get lucky, the one they hand you might be as close to expiring as yours is. Maybe a friendly service person would let you sort through them?
You'll get one with random remaining life, anywhere from almost none (whatever minimum the exchange company has as their minimum standard) to a full decade. I doubt customers are supposed to be allowed access to the stock, but to me this seems like sorting through lumber at a building supply store: with cooperative staff, you might be allowed to take a better one and leave the less desirable for other customers.

I suppose a practical approach would be to use bulk refill when the tank has lots legal life left, and exchange when it gets close... but if you leave it too late and the attendant actually checks the date, your tank will be refused for exchange.

This brings up another issue of the exchanges. If there is anything special about your tank, you'll lose it. I have tanks with float gauges - the replacements would not have them. Years ago OPDs were optional here so some of us paid a premium to get them, and the exchange tanks generally did not have them. The system is based on the 20-pound "barbecue" tank as an anonymous and interchangeable commodity.
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Old 02-02-2014, 12:31 PM   #48
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I've been told that if I bring my tanks to my propane supplier in nearby Lynden they would fill them at the same bulk price as I get delivered at my cabin.
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Old 02-02-2014, 12:33 PM   #49
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I've been told that if I bring my tanks to my propane supplier in nearby Lynden they would fill them at the same bulk price as I get delivered at my cabin.
That's a really good deal Karen. I even asked mine about doing that and they said no to small tanks - just referred me to the local place that refills the small ones.
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Old 02-02-2014, 12:40 PM   #50
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Never used a tank exchange, so I'm wondering.
When my tank has less than a year left before it has to be re-certified, can I exchange it for a full tank with a lot more time to go? I suppose not.
I got lucky. I asked my local (usually expensive) RV place about it and they said they had just gotten a batch of brand new exchange tanks. They took my old (expired) one and for $18 I had a brand new tank 3/4 full. I took the exchange sleeve off and I am good to go for another 12 years.
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