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Open Roads Forum  >  Tech Issues

 > OPD valve O-ring replacement?

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SteveB

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Posted: 02/06/08 05:05pm Link  |  Print  |  Notify Moderator

Does any one know if the O-ring inside the hose connection is replaceable? I noticed a gas odor when setting up during our last October weekend camping trip so I switched to the second bottle. After all this time I finally remembered to pull out the tank to check inside the valve. The seal is all messed up so that explains the leak.
Searching the Internet was not encouraging.
Thanks!
SteveB


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Gdetrailer

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Posted: 02/06/08 05:23pm Link  |  Print  |  Notify Moderator

If you have the old POL brass connection pigtail (need a wrench to take on or off)you could go to an auto parts store and see if you can find a O ring of the correct size to fit.

However I would suggest changing out and buying a new pigtail that doesn't require a wrench (new pigtail isn't all that expensive). These new connections are easy to connect and disconnect.

Charlie D.

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Posted: 02/06/08 05:46pm Link  |  Print  |  Notify Moderator

As Gdtrailer said, you will like the new type connectors better and they do not use an o-ring. If you decide to stay with an o-ring, go to a bearing supplier such as Motion Industries and ask for Viton. The common type o-rings dry out and crack.


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wa8yxm

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Posted: 02/07/08 07:19am Link  |  Print  |  Notify Moderator

IF that is the O-Ring I think it is, it is replacable.

however without checking my hardware, (And I don't wish to go shovel snow just now) I will say this

If the O-ring is in the tank, check with a propane supplier (not the campground) odds are they have replacements on hand, If it's in the hose fitting, same advice though any hardware may have the part


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SteveB

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Posted: 02/07/08 06:04am Link  |  Print  |  Notify Moderator

Thanks Rich,
I had a feeling the valve was trashed. It is a dumb design when a sacrificial part ruins a an entire mechanism. Time for a new valve...
SteveB

RJsfishin

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Posted: 02/06/08 09:57pm Link  |  Print  |  Notify Moderator

If you are talking about the spring loaded plunger type seal inside the OPD valve, it is considered part of the valve, and is not replaceable. Normally if you mess up that seal, the complete valve must be replaced. The seals can be removed w/ a dental pick, and new ones installed,.......if new ones were available, which their not,....or so say the propane guys.
But I didn't give up that easily, so the propane shop gave me a couple of old OPD valves that the seals were in good shape. Using my shop metal lathe, I was able to machine the seals out of the old valve w/o damaging them. I then installed them in my valve, and it is like new again.


Rich

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SteveB

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Posted: 02/08/08 06:12am Link  |  Print  |  Notify Moderator

The black ring inside the OPD valve probably should not be called an O-ring. That is misleading. As Rich said it is a special seal and while I have not actuallly removed one, its unusual squared profile indicates that it is not a standard O-ring.
If I can get a new tank for the $68 I saw on the price list I am going for it! Camping World lists for over $70 before shipping.
I'll try my POL to Disposable adapter in the damaged valve so that I can use up the gas in the tank. If it won't seal then I'll dispose of it when I go for the new one.
All I know is that this could have been disastrous if I was not working around the camper to notice the leak.

SteveB

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Posted: 02/07/08 05:05pm Link  |  Print  |  Notify Moderator

I stopped at the propane dealer. After showing him the black plastic seal in a new tank valve, he gave me a standard O ring. No charge but it really is for a POL fitting. I mentioned getting the valve replaced and he only said that it was real expensive. Oh well, I'm sure there are other dealers around and there are a few camper dealers that I can check for new tank prices. According to a price list on the wall of the place I stopped at the cost is $68 plus gas for a new 30 pounder. That sure is a pretty expensive 5 cent part...

RJsfishin

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Posted: 02/08/08 05:58am Link  |  Print  |  Notify Moderator

wa8yxm wrote:

You said he gave you a standard O ring for a POL.. Odds are it's the same ring exactly


I'm tellin ya, the propane guys don't have a clue as to whats inside them OPD valves, and they couldn't find it in their books either.

The o-ring for the POL isn't even close to anything that is in the valve. The seals in the valve are not o-rings It consists of a 2 part weird looking seal that is mounted in a spring loaded plunger, held in by a snap ring that is impossible to get out, and it is considered to be all part of the valve, and is not normally replaceable, nor is it available even if it was replaceable.
At least the OP has got the picture.

$50 to $60 mite the going price for valve replacement, as I was quoted $30+ just for the valve.

wa8yxm

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Posted: 02/07/08 09:38pm Link  |  Print  |  Notify Moderator

You said he gave you a standard O ring for a POL.. Odds are it's the same ring exactly

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