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Old 06-12-2012, 08:06 AM   #15
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If my 48 year old single stage regulator ever craps out I will forced to buy a new double stage unit, but until then I will just keep what I have. All my lines are solid and I worry more about flex cracks in them more than the regulator going out.
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Old 06-13-2012, 06:21 AM   #16
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I don't worry about the regulator
as much as the pigtail rubber gas lines between tanks and regulator. There is lots of opportunity for leaks there over time.
How often do those need replaced? Mine are pretty inflexible (if they are supposed to be) and six years old. Just curious.
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Old 06-13-2012, 06:33 AM   #17
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I think hoses deteriorate much more so than the regulator itself. I recently replaced both our regulator and hoses (original from 1996 or 1997). I did some internet research and the consensus was for a 15 year replacement recommendation. In reality, I think that is more to sell new regulators. Either they work or they don't and the new one I bought was set at too low of a pressure from the factory to properly operate our fridge on gas. I had to have a technician recalibrate it. That cost more then the regulator!
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Old 06-13-2012, 06:45 AM   #18
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Originally Posted by rodsterinfl View Post
How often do those need replaced? Mine are pretty inflexible (if they are supposed to be) and six years old. Just curious.
Given the fact that most of the rubber hoses are exposed to UV I think every 3-5 years isn't unreasonable. Go check out a new set and compare them to the old set in terms of flexibility and condition. They are relatively inexpensive, so IMHO it would be cheap insurance to change them.

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Old 06-13-2012, 07:48 AM   #19
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I think hoses deteriorate much more so than the regulator itself. I recently replaced both our regulator and hoses (original from 1996 or 1997). I did some internet research and the consensus was for a 15 year replacement recommendation. In reality, I think that is more to sell new regulators. Either they work or they don't and the new one I bought was set at too low of a pressure from the factory to properly operate our fridge on gas. I had to have a technician recalibrate it. That cost more then the regulator!
Not necessarily. The first failure I described in post#1 was rather disturbing. It was leaking propane in a rather large volume. Loud hissing drew may attention to it as soon as I stepped out of the car. That one bothered me from a safety standpoint.
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Old 06-13-2012, 09:37 AM   #20
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My hoses are dry and brittle, and the automatic switchover doesn't indicate that it switched tanks (it does in fact switch, but doesn't tell me so). I definitely need to spend the ~$70 and replace all three. It's really not worth the hassle. I even have the yellow thread tape to do it. Mine are ~17 years old at this point.

We also replaced the regulator in the B190 at one point - turned out it was leaking a bit. That was a '91 so it was probably about the same age (17 years) when that happened.

From my sample of size two, it appears 17 years is the sweet spot... or should that be the "mercaptan spot"?
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Old 06-13-2012, 01:27 PM   #21
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That is not what I would have expected. Your experience changes my thinking on replacing as a preventative item. My thought was that the internal diaphragm was the weak point, and it simply fail to provide gas flow upon failure.
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Old 06-02-2013, 11:54 PM   #22
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I have a 1970 trade wind with the original regulator. All appliances work fine with now the exception of the cat heater, hot is no longer hot. Is it time for a new regulator, or shall I tinker with the old one. I have read that the new ones are of poor quality and need frequent replacement. Perhaps I should inspect the diaphram and spring!!!

Any thoughts?
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Old 06-03-2013, 12:14 AM   #23
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If your lines are exposed to the sun you could get electrical flume and put in on your hoses. I have done that on my boat for my BBQ.
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Old 06-03-2013, 01:19 AM   #24
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Ah, the kicker: that 48 year old regulator was made in the USA. The junk out there now is made in China...
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Old 06-03-2013, 08:06 AM   #25
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I don't worry about the regulator
as much as the pigtail rubber gas lines between tanks and regulator. There is lots of opportunity for leaks there over time.

Yup, My OEM lines were only 6 years old and were rock hard and stiff. Seeping at the crimps, so replaced this spring.
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Old 06-03-2013, 08:34 AM   #26
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The rubber hose was at fault on my trailer but I replaced the regulator anyway. This was the low pressure side hose and it was swollen shut from oil exposure. I think I will replace it with stainless tubing at some point which won't crack from vibrations like copper will.

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Old 06-03-2013, 10:15 AM   #27
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Hoses on our 1999 were inflexible. When I removed lowest point connection some foul smelling liquid poured out! It smelled like the odor chemical used in producing the classic smell to the gas. It was like a mixture of deteriorated fuel line slime typical in vehicles.

Being curious, I cut open the rubber lines. I found some bubbled interior which means the lines were indeed failing from inside too. Clearly the originals were a threat.

With constant exposure to the elements and marginal quality in "new" parts, the actions are simple, a mere nuisance and recommended if not necessary.

I replaced the rubber lines, regulator and tank connections.
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Old 06-03-2013, 10:27 AM   #28
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Just about all compressors use oil and contaminate the propane with oil which finds its way into the rubber lines and caused them to swell. The oil absorbs the smell from the gas but the oil is not the source of the smell.

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