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Old 18-01-2016, 16:10   #1
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Where to get a bulkhead fitting for airhead?

Hi, I've purchased a spare urine bottle for our Airhead brand "composting" toilet. Currently, I'm trying to plumb it so that I can just pump it out from where it normally sits instead of carrying it around through the cabin all the time. I was planning to put a small bulkhead fitting in the top with a semi-rigid pickup tube extending to the bottom of the tank and then connect up 1/2" PVC or nylon tubing to discharge overboard (while at sea of course). It seems that finding a suitable bulkhead fitting is a much bigger issue than I had imagined!!! Anyone have any ideas? Is there an industry (hot tubs, fish tanks etc) that uses these routinely?
Thanks everyone
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Old 18-01-2016, 16:37   #2
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Re: Where to get a bulkhead fitting for airhead?

UFLEX Hydraulic Hose Kits with Bulkhead Fittings | West Marine

Someone must make just the bulkhead fitting.
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Old 18-01-2016, 17:12   #3
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Re: Where to get a bulkhead fitting for airhead?

Here is a stainless 1/2" fitting, $11 from a homebrewing website, apologies for the tiny pic:



The web page with a much better image:

SS Hex Nut Weldless Bulkhead 1/2'' MPT
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Old 19-01-2016, 14:11   #4
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Re: Where to get a bulkhead fitting for airhead?

I don't know if it helps you, but it looks like AirHead offers a tank with a welded on fitting at the bottom.

USA Orders | Air Head Dry Composting Toilet | For Boats, RVs & Cabins

Again, if you already have the bottle it may not help, but I thought I'd mention it.
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Old 19-01-2016, 14:16   #5
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Re: Where to get a bulkhead fitting for airhead?

Try McMaster-Carr. Pretty much, if it exists, McMaster has it.

McMaster-Carr
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