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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Pig tail propane tank connector hoses.

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time2roll

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Posted: 10/30/19 10:36am Link  |  Quote  |  Print  |  Notify Moderator

smarty wrote:

Does anyone make these with a metal twist on connector versus plastic?
I have had issues with these plastic fittings when the temps are very cold, even to the point where one cracked in half
I think the plastic is designed to melt and disconnect during a fire. The internal valve on the cylinder would then shut off the flow of propane.


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smarty

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Posted: 10/30/19 10:38am Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

smarty wrote:

Does anyone make these with a metal twist on connector versus plastic?
I have had issues with these plastic fittings when the temps are very cold, even to the point where one cracked in half
I think the plastic is designed to melt and disconnect during a fire. The internal valve on the cylinder would then shut off the flow of propane.


Makes perfect sense, thanks!

PaulJ2

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Posted: 10/30/19 05:34pm Link  |  Quote  |  Print  |  Notify Moderator

rhagfo wrote:

Take your old ones to your local Propane DEALER with a service department, and have them make you replacements. I have found that the hose they use is higher quality hose that remains flexible with age. The store bought ones seem to get stiff within a year. Cost is about the same as store bought.


Bingo!! I found a local dealer here in town that made up a new set while i waited.
Much better, no swivel joints at all. $10 per hose.

Thanks all.

Rover_Bill

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Posted: 10/30/19 11:54pm Link  |  Quote  |  Print  |  Notify Moderator

PaulJ2 wrote:

...Both were leaking at the connections where the hoses thread into the regulator...


You may want to try a PTFE thread seal tape specifically formulated for propane something like THIS.


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Posted: 10/31/19 01:19am Link  |  Quote  |  Print  |  Notify Moderator

Rover_Bill wrote:

PaulJ2 wrote:

...Both were leaking at the connections where the hoses thread into the regulator...


You may want to try a PTFE thread seal tape specifically formulated for propane something like THIS.


They were leaking at a swivel joint near the threads but not at the threads themselves. The new ones were wrapped with the yellow tape on the threads when he handed them to me. So he did everything right i guess.

time2roll

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Posted: 10/31/19 09:20am Link  |  Quote  |  Print  |  Notify Moderator

Only pipe threads should have tape or dope. No tape on inverted flare, o-ring or other compression seal.

richclover

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Posted: 10/31/19 05:15pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

Only pipe threads should have tape or dope. No tape on inverted flare, o-ring or other compression seal.


+1. !


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trailer_newbe

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Posted: 10/31/19 08:44pm Link  |  Quote  |  Print  |  Notify Moderator

They leak at the crimp joint where it transitions to the threads. Some designs are better than others, but if they seem to swivel easily, they will be leakers right out of the box.


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