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Old 12-18-2014, 07:42 PM   #1
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What is this Black Water Connection called, and where can I find a cap?

What is this type of black water connection called, and where can I find a cap?
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Old 12-18-2014, 07:44 PM   #2
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Obviously I need help on "how to post a pic."
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Old 12-18-2014, 08:05 PM   #3
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I'm a little confused are you talking about sewer cap. The cap you remove to connect hose to empty black water tank.


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Old 12-18-2014, 08:12 PM   #4
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Yes, that is correct. I wish I knew how to post a pic. It is for a 63 Bambi.
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Old 12-18-2014, 08:36 PM   #5
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To post a picture, click on "Post Reply" at the lower left of the last comment (not the "Wuick Reply" window). That will give you a posting window..scroll down below the posting window and you'll find "Manage Attachments"...click on that and you'll get a separate pop-up window through which you locate the picture on your hard drive and upload it... You can also type text in the posting window...once you are finished uploading the picture and adding whatever text you want to accompany it, post the comment...the picture should appear in the completed post (..it doesn't appear in the posting window...) You can post up to 10 pictures in a single posting in batches of 4 + 4 + 2. Hope this gets you there!
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Old 12-18-2014, 08:48 PM   #6
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Any RV shop and often you can find them at Walmart, go to their automotive/RV area in store.


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Old 12-18-2014, 09:01 PM   #7
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Waste Valve Termination Cap


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Old 12-18-2014, 10:03 PM   #8
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Didn't the early 60's Airstreams use a metal dump valve and metal termination system? I seem to recall those caps were called "frying pans" and are made of unubtanioum (no longer made, and rare). They were solid aluminum.

Somewhere in the mid 60's Airstream went to Thetford plastic waste fittings, which are still available, but not really common anymore. You can still get them on line and at a really well stocked RV store.

I have a vague recollection of someone with the old metal system cutting it off and epoxy bonding a new Thetford to the end of the pipe. If I were doing that today, I would probably use a Valtera which is the common one these days.

You might even be able to join the old metal pipe to plastic with there clamp type rubber couplers you can find at the Home Depot/Lowe's type stores.
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Old 12-19-2014, 04:56 AM   #9
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Pics

Thanks to TBRich for schooling me! Attached are a couple of pics.
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Old 12-19-2014, 06:44 AM   #10
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"Modern" sewer line fittings come from one of two manufacturers--Thetford and Valterra. Our '66 model has a Thetford connector.

These days most sewer hoses have Valterra connectors and one has to use an adapter (readily available at RV stores) to connect.

I don't know if a cap from either of these manufacturers would fit your Airstream. You might consider giving a Thetford cap a try.
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Old 12-19-2014, 03:42 PM   #11
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That is the old metal fitting and uses the "frying pan" cover. I don't think that any currently available Thetford or Valtura will fit it. Those with old original trailers may be better equipped to post an answer than I am about if the "frying pan" caps are available anymore from any source. Also if they are not, what to do about it, that is what workaround solutions are available.
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Old 12-19-2014, 04:52 PM   #12
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StevieB,

Oh boy. You do have some work ahead of you.

From about 1960 to 1964 Airstream was still trying to figure out how to handle sewage. Prior to that time trailers didn't have black tanks. The toilet either flushed to a sewer connection or a "gopher hole".

Our first Airstream was a 1960 Pacer. It used a modified brass wedge gate valve for the dump valve and the dump port was plain old Schedule 40 galvanized pipe--no locking pins on the outside.

Since it was just round pipe I found that I could bore out the inside of a modern plastic dump valve adapter for a slip fit on the outside of the pipe, fastening it in place with stainless steel machine screws tapped into the pipe and the whole thing sealed with pipe dope. That worked "OK" as long as we owned the trailer.

That option doesn't seem to be available since you have bayonet locking lugs cast into the outside of your dump port. Vintage Trailer Supply has some advice and conversion components

Waste Valve Adapter for Early 1960s Airstreams

Thetford Valves & Fittings

Here's another reference on replacing everything back to the tank:

Brass Thetford Dump Valves - Vintage Airstream

You're looking at quite a job, but it's worth it, as the old dump system wasn't big enough and the RV industry has learned a lot since it was made.

On the plus side, having done the job, you will be eligible for membership in the exclusive Royal Order of the Black Tank--an organization few have any interest in joining. . .
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Old 12-31-2014, 09:01 AM   #13
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Wanted Dead or Alive - 1963 Waste Cap or Hose Connection

Thanks Nuvite-F!

On another note, I was wondering if anyone out there has the original frying pan cap or hose connection for this wedge hook-up, or maybe an adapter system that I could use with a more modern hook-up? I really don't want to join the Royal Order of Black Tank Pooper Scoopers at this time.


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Old 02-19-2015, 05:30 PM   #14
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Does anyone have a "Frying Pan" Cap or the connector for the hose that they may want to part with?
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