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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > Low point drain line caps nightmare

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Lemonhead78

Various

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Posted: 04/08/19 12:25pm Link  |  Quote  |  Print  |  Notify Moderator

So I had to pay someone in October to winterize my camper because my health was really bad. My trailer has 5 drain lines underneath. Some are labeled and some are not. On one side of camper near the hot water tank it has 2 underneath it and says low drain. Their side by side ( touching ) . To the left of that is one labeled fresh tank drain. The guy who winterized left all 3 caps off and put them in the hot water tank access door area. One of the 3 was missing a rubber gasket. I checked Home Depot, a plumbing supply store and even the service department where I bought the trailer. Nobody has this size gasket. They said they will contact forest river and call me back. They haven’t called yet . So here’s my questions please try and help.

The cap is this size and looks similar to this. I can’t see the gasket inside so I’m not sure if it’s the right one or even if it has one. It’s cheap so I tried . You think this is what I need ? Flair-It 16860 Plastic Cap Fitting, 0.5" Size https://www.amazon.com/dp/B000H602C8/ref=cm_sw_r_cp_api_i_Tb5QCb78BXCPB

Second question: on the opposite side of trailer theirs 2 more lines . These are not labeled and he left the caps on these lines. Is their an explanation for why these caps are left on and the others I described above were left off. ? I need some education if you guys don’t mind sparing the time. It’s a surveyor 2016 by forest river

K Charles

Connecticut

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Posted: 04/08/19 12:54pm Link  |  Quote  |  Print  |  Notify Moderator

Our last forest river TH had cape on the low point drains and also valves to use. If you didn't turn the valve ( that was hidden) water wouldn't drain. I think the cap will work without the o-ring and I think you found the right one.





ZINGERLITE

Union Lake

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Posted: 04/08/19 12:55pm Link  |  Quote  |  Print  |  Notify Moderator

I went and bought plastic valves from the plumbing section at lowes and screwed them onto the 3/4" fittings where the caps go. No more need for caps. Just turn the valves.

Lemonhead78

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Posted: 04/08/19 03:30pm Link  |  Quote  |  Print  |  Notify Moderator

Are the low point drains under pressure or could I go camping until the peice I ordered comes in ? I wanted to camp this weekend

mobeewan

Hampton, Va

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Posted: 04/08/19 03:34pm Link  |  Quote  |  Print  |  Notify Moderator

If the cap is a Flair-it cap and looks like the one in the link, there is no gasket. Those caps are used to cap Flair-it fitting where the PEX tubing has been removed. They seat against the Barb the PEX normally slips over before tightening the nut used to hold the PEX to the fitting. They will hold pressure up to the rating of the fitting, valve or PEX tubing without a gasket.

I have a couple I keep on hand in case I have a plumbing problem and have to disconnect a piece of PEX until I would have time to make a repair. I used one once to temporarily cap a tee I added where I was adding a new PEX line where I was installing a captive air tank. I still needed to use the trailers fresh water system before I had time to finish the tank install.

Lemonhead78

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Posted: 04/08/19 04:01pm Link  |  Quote  |  Print  |  Notify Moderator

mobeewan wrote:

If the cap is a Flair-it cap and looks like the one in the link, there is no gasket. Those caps are used to cap Flair-it fitting where the PEX tubing has been removed. They seat against the Barb the PEX normally slips over before tightening the nut used to hold the PEX to the fitting. They will hold pressure up to the rating of the fitting, valve or PEX tubing without a gasket.

I have a couple I keep on hand in case I have a plumbing problem and have to disconnect a piece of PEX until I would have time to make a repair. I used one once to temporarily cap a tee I added where I was adding a new PEX line where I was installing a captive air tank. I still needed to use the trailers fresh water system before I had time to finish the tank install.


So what am I suppose to do. I checked hardware stores and the rv parts department where I bought trailer it and no one can help. I’m getting depressed over this. I called forest river and that was a joke.

Lantley

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Posted: 04/08/19 04:27pm Link  |  Quote  |  Print  |  Notify Moderator

THe lines that were not cap are likely the vent and drain line for your fresh water tank. THey do not need any caps!


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gmckenzie

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Posted: 04/08/19 04:31pm Link  |  Quote  |  Print  |  Notify Moderator

ZINGERLITE wrote:

I went and bought plastic valves from the plumbing section at lowes and screwed them onto the 3/4" fittings where the caps go. No more need for caps. Just turn the valves.


I did the same with mine as well as the fresh water tank drain. Much easier to deal with.


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Lemonhead78

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Posted: 04/08/19 04:38pm Link  |  Quote  |  Print  |  Notify Moderator

Lantley wrote:

THe lines that were not cap are likely the vent and drain line for your fresh water tank. THey do not need any caps!


They’re capped when camper is in. Use. They were removed for winter and that’s when gasket / seal was lost .

bob213

Fresno, CA

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Posted: 04/08/19 07:09pm Link  |  Quote  |  Print  |  Notify Moderator

Try amazon: ASIN: B00IRUKIO8 or do as suggested and buy pex valves and be done with it.

I bought these from Zoro tools.com
[image]

Or these from Amazon
valve


You can avoid reality, but you cannot avoid the consequences of avoiding reality – Ayn Rand


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